feat: added UI

config/settings/base.py

@@ -95,6 +95,14 @@ DATABASES = {
 }
 
 
+# Auth
+# https://docs.djangoproject.com/en/6.0/topics/auth/default/#all-authentication-views
+
+LOGIN_URL = 'crochet:login'
+LOGIN_REDIRECT_URL = 'crochet:account_home'
+LOGOUT_REDIRECT_URL = 'crochet:login'
+
+
 # Password validation
 # https://docs.djangoproject.com/en/6.0/ref/settings/#auth-password-validators
 

crochet/forms.py

@@ -0,0 +1,22 @@
+from django.contrib.auth.forms import AuthenticationForm, UserCreationForm
+
+# Los formularios de auth de Django no traen ninguna clase CSS en sus
+# widgets (piensan en HTML sin estilar): se añade aquí la clase de daisyUI
+# para que login/registro (ver registration/*.html) tengan la misma pinta
+# que el resto de inputs del sitio, sin depender de un paquete aparte
+# (django-widget-tweaks) solo para dos formularios de tres campos.
+INPUT_CLASSES = 'input input-bordered w-full'
+
+
+class StyledAuthenticationForm(AuthenticationForm):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        for field in self.fields.values():
+            field.widget.attrs['class'] = INPUT_CLASSES
+
+
+class StyledUserCreationForm(UserCreationForm):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        for field in self.fields.values():
+            field.widget.attrs['class'] = INPUT_CLASSES

crochet/locale/en/LC_MESSAGES/django.po

@@ -2,182 +2,373 @@ msgid ""
 msgstr ""
 "Project-Id-Version: crochet\n"
 "Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2026-07-17 11:03+0000\n"
 "Language: en\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-# crochet/templates/crochet/pattern.html
+#: crochet/templates/crochet/account_home.html:4
+msgid "Mis patrones"
+msgstr "My patterns"
 
-msgid "No se ha podido guardar. Inténtalo de nuevo."
+#: crochet/templates/crochet/account_home.html:13
-msgstr "Couldn't save. Please try again."
+#, python-format
+msgid "Hola, %(username)s"
+msgstr "Hi, %(username)s"
 
-msgid "Guardar"
+#: crochet/templates/crochet/account_home.html:16
-msgstr "Save"
+msgid "Crear patrón"
+msgstr "Create pattern"
 
-msgid "Añadir sección"
+#: crochet/templates/crochet/account_home.html:21
-msgstr "Add section"
+#: crochet/templates/crochet/pattern.html:21
+msgid "¿Seguro que quieres eliminar este patrón? No podrás deshacerlo."
+msgstr "Are you sure you want to delete this pattern? This cannot be undone."
 
+#: crochet/templates/crochet/account_home.html:27
+msgid "Patrón sin título"
+msgstr "Untitled pattern"
+
+#: crochet/templates/crochet/account_home.html:30
+#, python-format
+msgid "Actualizado el %(date)s"
+msgstr "Updated on %(date)s"
+
+#: crochet/templates/crochet/account_home.html:33
+#: crochet/templates/crochet/pattern.html:34
 msgid "Ver patrón"
 msgstr "View pattern"
 
-msgid "Descargar PDF"
+#: crochet/templates/crochet/account_home.html:34
-msgstr "Download PDF"
+msgid "Editar"
+msgstr "Edit"
 
+#: crochet/templates/crochet/account_home.html:38
+msgid "Eliminar"
+msgstr "Delete"
+
+#: crochet/templates/crochet/account_home.html:47
+msgid "Todavía no tienes ningún patrón."
+msgstr "You don't have any patterns yet."
+
+#: crochet/templates/crochet/account_home.html:53
+#: crochet/templates/crochet/base.html:34
+msgid "Cerrar sesión"
+msgstr "Log out"
+
+#: crochet/templates/crochet/base.html:37
+#: crochet/templates/registration/login.html:4
+#: crochet/templates/registration/login.html:14
+msgid "Iniciar sesión"
+msgstr "Log in"
+
+#: crochet/templates/crochet/base.html:38
+#: crochet/templates/registration/register.html:29
+msgid "Registrarme"
+msgstr "Sign up"
+
+# crochet/templates/crochet/pattern.html
+#: crochet/templates/crochet/pattern.html:31
+msgid "No se ha podido guardar. Inténtalo de nuevo."
+msgstr "Couldn't save. Please try again."
+
+#: crochet/templates/crochet/pattern.html:31
+msgid "Guardar"
+msgstr "Save"
+
+#: crochet/templates/crochet/pattern.html:35
 msgid "Exportar a PDF"
 msgstr "Export to PDF"
 
+#: crochet/templates/crochet/pattern.html:39
+msgid "Eliminar patrón"
+msgstr "Delete pattern"
+
+#: crochet/templates/crochet/pattern.html:46
 msgid "Guardado"
 msgstr "Saved"
 
+#: crochet/templates/crochet/pattern.html:53
 msgid "Personalización de página"
 msgstr "Page customization"
 
+#: crochet/templates/crochet/pattern.html:57
 msgid "Título del patrón"
 msgstr "Pattern title"
 
+#: crochet/templates/crochet/pattern.html:58
 msgid "Título del patrón..."
 msgstr "Pattern title..."
 
+#: crochet/templates/crochet/pattern.html:61
 msgid "Autor"
 msgstr "Author"
 
+#: crochet/templates/crochet/pattern.html:62
 msgid "Autor..."
 msgstr "Author..."
 
+#: crochet/templates/crochet/pattern.html:67
+#: crochet/templates/crochet/pattern.html:151
 msgid "Color del texto"
 msgstr "Text color"
 
+#: crochet/templates/crochet/pattern.html:71
 msgid "Color de acento (títulos)"
 msgstr "Accent color (headings)"
 
+#: crochet/templates/crochet/pattern.html:75
+#: crochet/templates/crochet/pattern.html:151
 msgid "Color de fondo"
 msgstr "Background color"
 
+#: crochet/templates/crochet/pattern.html:79
 msgid "Tipografía"
 msgstr "Font"
 
+#: crochet/templates/crochet/pattern.html:85
 msgid "Monoespaciada"
 msgstr "Monospace"
 
+#: crochet/templates/crochet/pattern.html:89
 msgid "Tamaño de letra"
 msgstr "Font size"
 
+#: crochet/templates/crochet/pattern.html:91
 msgid "Pequeño"
 msgstr "Small"
 
+#: crochet/templates/crochet/pattern.html:92
 msgid "Normal"
 msgstr "Normal"
 
+#: crochet/templates/crochet/pattern.html:93
 msgid "Grande"
 msgstr "Large"
 
+#: crochet/templates/crochet/pattern.html:97
 msgid "Alineación del texto"
 msgstr "Text alignment"
 
+#: crochet/templates/crochet/pattern.html:99
 msgid "Izquierda"
 msgstr "Left"
 
+#: crochet/templates/crochet/pattern.html:100
 msgid "Centrado"
 msgstr "Center"
 
+#: crochet/templates/crochet/pattern.html:101
 msgid "Justificado"
 msgstr "Justify"
 
+#: crochet/templates/crochet/pattern.html:105
 msgid "Tamaño de página"
 msgstr "Page size"
 
+#: crochet/templates/crochet/pattern.html:110
 msgid "Carta (Letter)"
 msgstr "Letter"
 
+#: crochet/templates/crochet/pattern.html:115
 msgid "Orientación"
 msgstr "Orientation"
 
+#: crochet/templates/crochet/pattern.html:117
 msgid "Vertical"
 msgstr "Portrait"
 
+#: crochet/templates/crochet/pattern.html:118
 msgid "Horizontal"
 msgstr "Landscape"
 
+#: crochet/templates/crochet/pattern.html:126
+#: crochet/templates/crochet/pattern.html:134
 msgid "Secciones"
 msgstr "Sections"
 
+#: crochet/templates/crochet/pattern.html:127
+#: crochet/templates/crochet/pattern.html:173
 msgid "Vista previa"
 msgstr "Preview"
 
+#: crochet/templates/crochet/pattern.html:136
 msgid "Colapsar todo"
 msgstr "Collapse all"
 
+#: crochet/templates/crochet/pattern.html:136
 msgid "Expandir todo"
 msgstr "Expand all"
 
+#: crochet/templates/crochet/pattern.html:141
+msgid "Añadir sección"
+msgstr "Add section"
+
+#: crochet/templates/crochet/pattern.html:144
 msgid "Título"
 msgstr "Title"
 
+#: crochet/templates/crochet/pattern.html:144
 msgid "Título..."
 msgstr "Title..."
 
+#: crochet/templates/crochet/pattern.html:146
 msgid "Subtítulo"
 msgstr "Subtitle"
 
+#: crochet/templates/crochet/pattern.html:146
 msgid "Subtítulo..."
 msgstr "Subtitle..."
 
+#: crochet/templates/crochet/pattern.html:148
 msgid "Texto"
 msgstr "Text"
 
+#: crochet/templates/crochet/pattern.html:148
 msgid "Escribe aquí..."
 msgstr "Write here..."
 
+#: crochet/templates/crochet/pattern.html:150
+#: crochet/templates/crochet/pattern.html:151
 msgid "Nota"
 msgstr "Note"
 
+#: crochet/templates/crochet/pattern.html:150
 msgid "Escribe una nota o consejo..."
 msgstr "Write a note or tip..."
 
+#: crochet/templates/crochet/pattern.html:153
 msgid "Materiales"
 msgstr "Materials"
 
+#: crochet/templates/crochet/pattern.html:153
 msgid "Añadir material..."
 msgstr "Add material..."
 
+#: crochet/templates/crochet/pattern.html:153
 msgid "Añadir línea"
 msgstr "Add line"
 
+#: crochet/templates/crochet/pattern.html:155
+#: crochet/templates/crochet/pattern.html:157
 msgid "Imagen"
 msgstr "Image"
 
+#: crochet/templates/crochet/pattern.html:157
 msgid "No se ha podido subir la imagen. Inténtalo de nuevo."
 msgstr "Couldn't upload the image. Please try again."
 
+#: crochet/templates/crochet/pattern.html:159
 msgid "Patrón"
 msgstr "Pattern"
 
+#: crochet/templates/crochet/pattern.html:159
 msgid "Elementos"
 msgstr "Elements"
 
+#: crochet/templates/crochet/pattern.html:161
 msgid "Grupo"
 msgstr "Group"
 
+#: crochet/templates/crochet/pattern.html:165
 msgid "Arrastrar para reordenar"
 msgstr "Drag to reorder"
 
+#: crochet/templates/crochet/pattern.html:166
 msgid "Colapsar / expandir"
 msgstr "Collapse / expand"
 
+#: crochet/templates/crochet/pattern.html:167
 msgid "Duplicar sección"
 msgstr "Duplicate section"
 
+#: crochet/templates/crochet/pattern.html:168
 msgid "Eliminar sección"
 msgstr "Delete section"
 
-msgid "¿Seguro que quieres eliminar este grupo? Se eliminarán también todas las secciones que contiene."
+#: crochet/templates/crochet/pattern.html:169
-msgstr "Are you sure you want to delete this group? All sections inside it will also be deleted."
+msgid ""
+"¿Seguro que quieres eliminar este grupo? Se eliminarán también todas las "
+"secciones que contiene."
+msgstr ""
+"Are you sure you want to delete this group? All sections inside it will also "
+"be deleted."
 
+#: crochet/templates/crochet/pattern.html:175
 msgid "Añade una sección para ver aquí el resultado."
 msgstr "Add a section to see the result here."
 
-# crochet/views.py (PatternDetailView.EMPTY_MESSAGE)
+#: crochet/templates/crochet/pattern_detail.html:24
+msgid "Descargar PDF"
+msgstr "Download PDF"
 
+#: crochet/templates/registration/login.html:17
+msgid "Usuario o contraseña incorrectos."
+msgstr "Incorrect username or password."
+
+#: crochet/templates/registration/login.html:29
+msgid "Entrar"
+msgstr "Log in"
+
+#: crochet/templates/registration/login.html:32
+msgid "¿No tienes cuenta? Regístrate"
+msgstr "Don't have an account? Sign up"
+
+#: crochet/templates/registration/register.html:4
+#: crochet/templates/registration/register.html:14
+msgid "Crear cuenta"
+msgstr "Create account"
+
+#: crochet/templates/registration/register.html:32
+msgid "¿Ya tienes cuenta? Inicia sesión"
+msgstr "Already have an account? Log in"
+
+#: crochet/urls.py:30
+msgid "pattern/<uuid:uuid>/"
+msgstr ""
+
+#: crochet/urls.py:31
+msgid "pattern/<uuid:uuid>/edit/"
+msgstr ""
+
+#: crochet/urls.py:32
+msgid "pattern/<uuid:uuid>/save/"
+msgstr ""
+
+#: crochet/urls.py:33
+msgid "pattern/<uuid:uuid>/images/"
+msgstr ""
+
+#: crochet/urls.py:34
+msgid "pattern/<uuid:uuid>/pdf/"
+msgstr ""
+
+#: crochet/urls.py:35
+msgid "pattern/<uuid:uuid>/delete/"
+msgstr ""
+
+#: crochet/urls.py:36
+msgid "pattern/new/"
+msgstr ""
+
+#: crochet/urls.py:37
+msgid "account/"
+msgstr ""
+
+#: crochet/urls.py:38
+msgid "account/register/"
+msgstr ""
+
+#: crochet/urls.py:40
+msgid "account/login/"
+msgstr ""
+
+#: crochet/urls.py:45
+msgid "account/logout/"
+msgstr ""
+
+# crochet/views.py (PatternDetailView.EMPTY_MESSAGE)
+#: crochet/views.py:23
 msgid "Este patrón todavía no tiene contenido."
 msgstr "This pattern doesn't have any content yet."

crochet/locale/es/LC_MESSAGES/django.po

@@ -2,24 +2,372 @@ msgid ""
 msgstr ""
 "Project-Id-Version: crochet\n"
 "Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2026-07-17 11:03+0000\n"
 "Language: es\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
+#: crochet/templates/crochet/account_home.html:4
+msgid "Mis patrones"
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:13
+#, python-format
+msgid "Hola, %(username)s"
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:16
+msgid "Crear patrón"
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:21
+#: crochet/templates/crochet/pattern.html:21
+msgid "¿Seguro que quieres eliminar este patrón? No podrás deshacerlo."
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:27
+msgid "Patrón sin título"
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:30
+#, python-format
+msgid "Actualizado el %(date)s"
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:33
+#: crochet/templates/crochet/pattern.html:34
+msgid "Ver patrón"
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:34
+msgid "Editar"
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:38
+msgid "Eliminar"
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:47
+msgid "Todavía no tienes ningún patrón."
+msgstr ""
+
+#: crochet/templates/crochet/account_home.html:53
+#: crochet/templates/crochet/base.html:34
+msgid "Cerrar sesión"
+msgstr ""
+
+#: crochet/templates/crochet/base.html:37
+#: crochet/templates/registration/login.html:4
+#: crochet/templates/registration/login.html:14
+msgid "Iniciar sesión"
+msgstr ""
+
+#: crochet/templates/crochet/base.html:38
+#: crochet/templates/registration/register.html:29
+msgid "Registrarme"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:31
+msgid "No se ha podido guardar. Inténtalo de nuevo."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:31
+msgid "Guardar"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:35
+msgid "Exportar a PDF"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:39
+msgid "Eliminar patrón"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:46
+msgid "Guardado"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:53
+msgid "Personalización de página"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:57
+msgid "Título del patrón"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:58
+msgid "Título del patrón..."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:61
+msgid "Autor"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:62
+msgid "Autor..."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:67
+#: crochet/templates/crochet/pattern.html:151
+msgid "Color del texto"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:71
+msgid "Color de acento (títulos)"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:75
+#: crochet/templates/crochet/pattern.html:151
+msgid "Color de fondo"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:79
+msgid "Tipografía"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:85
+msgid "Monoespaciada"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:89
+msgid "Tamaño de letra"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:91
+msgid "Pequeño"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:92
+msgid "Normal"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:93
+msgid "Grande"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:97
+msgid "Alineación del texto"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:99
+msgid "Izquierda"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:100
+msgid "Centrado"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:101
+msgid "Justificado"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:105
+msgid "Tamaño de página"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:110
+msgid "Carta (Letter)"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:115
+msgid "Orientación"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:117
+msgid "Vertical"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:118
+msgid "Horizontal"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:126
+#: crochet/templates/crochet/pattern.html:134
+msgid "Secciones"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:127
+#: crochet/templates/crochet/pattern.html:173
+msgid "Vista previa"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:136
+msgid "Colapsar todo"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:136
+msgid "Expandir todo"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:141
+msgid "Añadir sección"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:144
+msgid "Título"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:144
+msgid "Título..."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:146
+msgid "Subtítulo"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:146
+msgid "Subtítulo..."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:148
+msgid "Texto"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:148
+msgid "Escribe aquí..."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:150
+#: crochet/templates/crochet/pattern.html:151
+msgid "Nota"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:150
+msgid "Escribe una nota o consejo..."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:153
+msgid "Materiales"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:153
+msgid "Añadir material..."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:153
+msgid "Añadir línea"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:155
+#: crochet/templates/crochet/pattern.html:157
+msgid "Imagen"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:157
+msgid "No se ha podido subir la imagen. Inténtalo de nuevo."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:159
+msgid "Patrón"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:159
+msgid "Elementos"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:161
+msgid "Grupo"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:165
+msgid "Arrastrar para reordenar"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:166
+msgid "Colapsar / expandir"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:167
+msgid "Duplicar sección"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:168
+msgid "Eliminar sección"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:169
+msgid ""
+"¿Seguro que quieres eliminar este grupo? Se eliminarán también todas las "
+"secciones que contiene."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:175
+msgid "Añade una sección para ver aquí el resultado."
+msgstr ""
+
+#: crochet/templates/crochet/pattern_detail.html:24
+msgid "Descargar PDF"
+msgstr ""
+
+#: crochet/templates/registration/login.html:17
+msgid "Usuario o contraseña incorrectos."
+msgstr ""
+
+#: crochet/templates/registration/login.html:29
+msgid "Entrar"
+msgstr ""
+
+#: crochet/templates/registration/login.html:32
+msgid "¿No tienes cuenta? Regístrate"
+msgstr ""
+
+#: crochet/templates/registration/register.html:4
+#: crochet/templates/registration/register.html:14
+msgid "Crear cuenta"
+msgstr ""
+
+#: crochet/templates/registration/register.html:32
+msgid "¿Ya tienes cuenta? Inicia sesión"
+msgstr ""
+
 # Rutas traducibles de crochet/urls.py: la base "pattern/" se traduce como
 # "patron/" (sin tilde, para no meter caracteres acentuados en la URL).
+#: crochet/urls.py:30
 msgid "pattern/<uuid:uuid>/"
 msgstr "patron/<uuid:uuid>/"
 
+#: crochet/urls.py:31
 msgid "pattern/<uuid:uuid>/edit/"
 msgstr "patron/<uuid:uuid>/editar/"
 
+#: crochet/urls.py:32
 msgid "pattern/<uuid:uuid>/save/"
 msgstr "patron/<uuid:uuid>/guardar/"
 
+#: crochet/urls.py:33
 msgid "pattern/<uuid:uuid>/images/"
 msgstr "patron/<uuid:uuid>/imagenes/"
 
+#: crochet/urls.py:34
 msgid "pattern/<uuid:uuid>/pdf/"
 msgstr "patron/<uuid:uuid>/pdf/"
+
+#: crochet/urls.py:35
+msgid "pattern/<uuid:uuid>/delete/"
+msgstr "patron/<uuid:uuid>/eliminar/"
+
+#: crochet/urls.py:36
+msgid "pattern/new/"
+msgstr "patron/nuevo/"
+
+# Igual que "pattern/" arriba: "account/" se traduce como "cuenta/".
+#: crochet/urls.py:37
+msgid "account/"
+msgstr "cuenta/"
+
+#: crochet/urls.py:38
+msgid "account/register/"
+msgstr "cuenta/registro/"
+
+#: crochet/urls.py:40
+msgid "account/login/"
+msgstr "cuenta/entrar/"
+
+#: crochet/urls.py:45
+msgid "account/logout/"
+msgstr "cuenta/salir/"
+
+#: crochet/views.py:23
+msgid "Este patrón todavía no tiene contenido."
+msgstr ""

crochet/migrations/0006_pattern_created_by.py

@@ -0,0 +1,21 @@
+# Generated by Django 6.0.7 on 2026-07-17 10:17
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('crochet', '0005_seed_more_stitch_types'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='pattern',
+            name='created_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='patterns', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

crochet/models.py

@@ -1,5 +1,6 @@
 import uuid
 
+from django.conf import settings
 from django.db import models
 
 
@@ -11,6 +12,13 @@ class Pattern(models.Model):
     # front, aquí solo hace falta persistirla).
     sections = models.JSONField(default=list, blank=True)
     page_settings = models.JSONField(default=dict, blank=True)
+    # Nullable porque los patrones creados antes de tener autenticación no
+    # tienen propietario; SET_NULL (no CASCADE) para que borrar una cuenta no
+    # se lleve por delante sus patrones.
+    created_by = models.ForeignKey(
+        settings.AUTH_USER_MODEL, null=True, blank=True,
+        on_delete=models.SET_NULL, related_name='patterns',
+    )
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
 

crochet/static/css/main.css

@@ -1,3 +1,27 @@
+/* Paleta de marca (estilo marketplace artesanal, tipo Etsy: naranja
+   terracota + crema). Se define aquí, una sola vez, porque main.css lo
+   carga toda plantilla (incluida pattern_detail.html, que no lleva
+   daisyUI); theme.css (solo en páginas con daisyUI, ver
+   _platform_assets.html) reusa estas mismas variables para el tema
+   "crochet" en vez de repetir los valores hexadecimales. */
+:root {
+  --brand-bg: #fffbf5;
+  --brand-bg-soft: #f7efe1;
+  --brand-border: #ede0c9;
+  --brand-text: #2e2118;
+  --brand-primary: #f1641e;
+  --brand-primary-content: #ffffff;
+  --brand-secondary: #2b6e63;
+  --brand-accent: #e2a32d;
+
+  font-family: 'Poppins', system-ui, sans-serif;
+}
+
+body {
+  background-color: var(--brand-bg);
+  color: var(--brand-text);
+}
+
 /* HTML: <div class="breadcrumb"></div> */
 .breadcrumb {
   --s: 20px; /* control the shape */
@@ -43,17 +67,18 @@
 .detail-btn {
   display: inline-flex;
   align-items: center;
-  padding: 0.375rem 0.75rem;
+  padding: 0.5rem 1rem;
   font-size: 0.875rem;
   font-weight: 600;
-  border: 1px solid #d1d5db;
+  border: 1px solid var(--brand-primary);
-  border-radius: 0.5rem;
+  border-radius: 999px;
-  color: inherit;
+  color: var(--brand-primary);
   text-decoration: none;
-  background-color: #fff;
+  background-color: transparent;
 }
 .detail-btn:hover {
-  background-color: #f3f4f6;
+  background-color: var(--brand-primary);
+  color: var(--brand-primary-content);
 }
 
 .note-box {

crochet/static/css/theme.css

@@ -0,0 +1,46 @@
+/* Tema daisyUI propio ("crochet"): paleta cálida de marketplace artesanal
+   (naranja terracota + crema), inspirada en plataformas tipo Etsy. Reusa los
+   valores de --brand-* definidos en main.css (que carga toda plantilla, con
+   o sin daisyUI) en vez de repetir los hexadecimales.
+   Se aplica vía data-theme="crochet" en <html> (ver base.html) y debe
+   cargarse DESPUÉS del CDN de daisyUI (ver _platform_assets.html): ambas
+   reglas tienen la misma especificidad ([data-theme=...] vs :root), así que
+   gana la que aparece más tarde en la cascada. */
+[data-theme="crochet"] {
+  color-scheme: light;
+
+  --color-base-100: var(--brand-bg);
+  --color-base-200: var(--brand-bg-soft);
+  --color-base-300: var(--brand-border);
+  --color-base-content: var(--brand-text);
+
+  --color-primary: var(--brand-primary);
+  --color-primary-content: var(--brand-primary-content);
+
+  --color-secondary: var(--brand-secondary);
+  --color-secondary-content: #ffffff;
+
+  --color-accent: var(--brand-accent);
+  --color-accent-content: var(--brand-text);
+
+  --color-neutral: var(--brand-text);
+  --color-neutral-content: #fbf4ec;
+
+  --color-info: oklch(74% 0.16 232.661);
+  --color-info-content: oklch(29% 0.066 243.157);
+  --color-success: oklch(76% 0.177 163.223);
+  --color-success-content: oklch(37% 0.077 168.94);
+  --color-warning: oklch(82% 0.189 84.429);
+  --color-warning-content: oklch(41% 0.112 45.904);
+  --color-error: oklch(71% 0.194 13.428);
+  --color-error-content: oklch(27% 0.105 12.094);
+
+  --radius-selector: 0.5rem;
+  --radius-field: 0.75rem;
+  --radius-box: 1rem;
+  --size-selector: 0.25rem;
+  --size-field: 0.25rem;
+  --border: 1px;
+  --depth: 1;
+  --noise: 0;
+}

crochet/templates/crochet/_platform_assets.html

@@ -0,0 +1,9 @@
+{% load static %}
+{# Un comentario Django de una sola línea (su lexer no cruza saltos de línea al buscar el cierre, y tampoco admite el propio delimitador de comentario dentro del texto). #}
+{# Incluido por cada plantilla con look de "plataforma" (editor, cuenta): daisyUI + Tailwind vía CDN + el tema propio "crochet" (ver theme.css). pattern_detail.html NO lo incluye a propósito (ver ese archivo). #}
+<link href="https://cdn.jsdelivr.net/npm/daisyui@5" rel="stylesheet" type="text/css" />
+<script src="https://cdn.jsdelivr.net/npm/@tailwindcss/browser@4"></script>
+<link rel="stylesheet" href="{% static 'css/theme.css' %}">
+<link rel="preconnect" href="https://fonts.googleapis.com">
+<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap" rel="stylesheet">

crochet/templates/crochet/account_home.html

@@ -0,0 +1,56 @@
+{% extends 'crochet/base.html' %}
+{% load i18n %}
+
+{% block title %}{% trans 'Mis patrones' %}{% endblock %}
+
+{% block extra_css %}
+  {% include 'crochet/_platform_assets.html' %}
+{% endblock %}
+
+{% block content %}
+  <main class="max-w-4xl mx-auto px-4 py-8">
+    <div class="flex flex-wrap items-center justify-between gap-4 mb-6">
+      <h1 class="text-2xl font-semibold">{% blocktrans with username=user.username %}Hola, {{ username }}{% endblocktrans %}</h1>
+      <form method="post" action="{% url 'crochet:pattern_create' %}">
+        {% csrf_token %}
+        <button type="submit" class="btn btn-primary">+ {% trans 'Crear patrón' %}</button>
+      </form>
+    </div>
+
+    {% if patterns %}
+      {% trans '¿Seguro que quieres eliminar este patrón? No podrás deshacerlo.' as delete_confirm_message %}
+      <div class="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
+        {% for pattern in patterns %}
+          <div class="card bg-base-100 shadow border border-base-300">
+            <div class="card-body">
+              <h2 class="card-title text-lg">
+                {% if pattern.page_settings.title %}{{ pattern.page_settings.title }}{% else %}{% trans 'Patrón sin título' %}{% endif %}
+              </h2>
+              <p class="text-sm text-base-content/60">
+                {% blocktrans with date=pattern.updated_at|date:'d/m/Y' %}Actualizado el {{ date }}{% endblocktrans %}
+              </p>
+              <div class="card-actions justify-end mt-2">
+                <a href="{% url 'crochet:pattern_detail' pattern.uuid %}" class="btn btn-sm btn-outline">{% trans 'Ver patrón' %}</a>
+                <a href="{% url 'crochet:pattern_edit' pattern.uuid %}" class="btn btn-sm btn-primary">{% trans 'Editar' %}</a>
+                <form method="post" action="{% url 'crochet:pattern_delete' pattern.uuid %}"
+                  onsubmit="return confirm('{{ delete_confirm_message }}')">
+                  {% csrf_token %}
+                  <button type="submit" class="btn btn-sm btn-outline btn-error">{% trans 'Eliminar' %}</button>
+                </form>
+              </div>
+            </div>
+          </div>
+        {% endfor %}
+      </div>
+    {% else %}
+      <div class="text-center py-16 text-base-content/60">
+        <p>{% trans 'Todavía no tienes ningún patrón.' %}</p>
+      </div>
+    {% endif %}
+
+    <form method="post" action="{% url 'crochet:logout' %}" class="mt-8">
+      {% csrf_token %}
+      <button type="submit" class="btn btn-outline btn-sm">{% trans 'Cerrar sesión' %}</button>
+    </form>
+  </main>
+{% endblock %}

crochet/templates/crochet/base.html

@@ -1,6 +1,10 @@
-{% load static %}
+{% load static i18n %}
 <!DOCTYPE html>
-<html lang="{{ lang }}">
+<!-- get_current_language (no la variable "lang" del contexto): la resuelve
+     LocaleMiddleware a partir del prefijo de la URL en cualquier vista, no
+     solo en las que la añaden a mano al contexto (PatternEditView,
+     PatternDetailView). -->
+<html lang="{% get_current_language as html_lang %}{{ html_lang }}" data-theme="crochet">
 
 <head>
   <meta charset="UTF-8">
@@ -11,6 +15,31 @@
 </head>
 
 <body{% block body_attrs %}{% endblock %}>
+  {% block navbar %}
+    <!-- Cabecera de marca compartida por el editor y las páginas de cuenta
+         (login/registro/mi cuenta): usa clases de daisyUI, así que solo
+         tiene sentido en plantillas que incluyan _platform_assets.html.
+         pattern_detail.html (vista de solo lectura/PDF) sobreescribe este
+         bloque dejándolo vacío: no carga daisyUI ni debe llevar navegación,
+         solo el propio patrón. no-print para que nunca salga en el PDF. -->
+    <nav class="navbar bg-base-100 border-b border-base-300 px-4 no-print">
+      <div class="flex-1">
+        <a href="{% url 'crochet:account_home' %}" class="btn btn-ghost text-xl px-2">🧶 Crochet</a>
+      </div>
+      <div class="flex-none flex items-center gap-2">
+        {% if user.is_authenticated %}
+          <span class="text-sm hidden sm:inline">{{ user.username }}</span>
+          <form method="post" action="{% url 'crochet:logout' %}">
+            {% csrf_token %}
+            <button type="submit" class="btn btn-sm btn-ghost">{% trans 'Cerrar sesión' %}</button>
+          </form>
+        {% else %}
+          <a href="{% url 'crochet:login' %}" class="btn btn-sm btn-ghost">{% trans 'Iniciar sesión' %}</a>
+          <a href="{% url 'crochet:register' %}" class="btn btn-sm btn-primary">{% trans 'Registrarme' %}</a>
+        {% endif %}
+      </div>
+    </nav>
+  {% endblock %}
   {% block content %}{% endblock %}
   {% block extra_js %}{% endblock %}
 </body>

crochet/templates/crochet/pattern.html

@@ -8,8 +8,7 @@
 {% block extra_css %}
   <!-- Leído por storage.js para la cabecera X-CSRFToken al guardar por fetch. -->
   <meta name="csrf-token" content="{{ csrf_token }}">
-  <link href="https://cdn.jsdelivr.net/npm/daisyui@5" rel="stylesheet" type="text/css" />
+  {% include 'crochet/_platform_assets.html' %}
-  <script src="https://cdn.jsdelivr.net/npm/@tailwindcss/browser@4"></script>
   {% htmx_script %}
 
   <script defer src="https://cdn.jsdelivr.net/npm/alpinejs@3/dist/cdn.min.js"></script>
@@ -19,8 +18,8 @@
 {% block content %}
   <main>
 
-    <header class="flex flex-wrap items-center justify-between gap-2 p-4 no-print">
+    {% trans '¿Seguro que quieres eliminar este patrón? No podrás deshacerlo.' as delete_confirm_message %}
-      <h1 class="text-xl font-semibold">Crochet</h1>
+    <header class="flex flex-wrap items-center justify-end gap-2 p-4 no-print">
       <div class="flex gap-2 items-center">
 
         <select id="language-select" class="select select-sm select-bordered">
@@ -33,7 +32,12 @@
 
         <a href="{% url 'crochet:pattern_detail' pattern.uuid %}" target="_blank" rel="noopener"
           class="btn btn-sm btn-outline">{% trans 'Ver patrón' %}</a>
-        <button id="export-pdf" type="button" class="btn btn-sm">{% trans 'Exportar a PDF' %}</button>
+        <button id="export-pdf" type="button" class="btn btn-sm btn-primary">{% trans 'Exportar a PDF' %}</button>
+        <form method="post" action="{% url 'crochet:pattern_delete' pattern.uuid %}"
+          onsubmit="return confirm('{{ delete_confirm_message }}')">
+          {% csrf_token %}
+          <button type="submit" class="btn btn-sm btn-outline btn-error">{% trans 'Eliminar patrón' %}</button>
+        </form>
       </div>
     </header>
 

crochet/templates/crochet/pattern_detail.html

@@ -14,6 +14,10 @@
   </style>
 {% endblock %}
 
+<!-- Sin daisyUI aquí (ver arriba), así que el navbar de base.html no tiene
+     ningún estilo que aplicarle: se deja vacío a propósito. -->
+{% block navbar %}{% endblock %}
+
 {% block content %}
   <main class="p-4">
     <div class="flex justify-end gap-2 mb-4 no-print">

crochet/templates/registration/login.html

@@ -0,0 +1,37 @@
+{% extends 'crochet/base.html' %}
+{% load i18n %}
+
+{% block title %}{% trans 'Iniciar sesión' %}{% endblock %}
+
+{% block extra_css %}
+  {% include 'crochet/_platform_assets.html' %}
+{% endblock %}
+
+{% block content %}
+  <main class="flex justify-center px-4 py-12">
+    <div class="card w-full max-w-sm bg-base-100 shadow-xl border border-base-300">
+      <div class="card-body">
+        <h1 class="card-title">{% trans 'Iniciar sesión' %}</h1>
+        {% if form.errors %}
+          <div role="alert" class="alert alert-error alert-soft">
+            <span>{% trans 'Usuario o contraseña incorrectos.' %}</span>
+          </div>
+        {% endif %}
+        <form method="post" class="flex flex-col gap-3">
+          {% csrf_token %}
+          {% for field in form %}
+            <label class="flex flex-col gap-1">
+              <span class="text-sm">{{ field.label }}</span>
+              {{ field }}
+            </label>
+          {% endfor %}
+          <input type="hidden" name="next" value="{{ next }}">
+          <button type="submit" class="btn btn-primary mt-2">{% trans 'Entrar' %}</button>
+        </form>
+        <p class="text-sm text-center mt-2">
+          <a href="{% url 'crochet:register' %}" class="link link-primary">{% trans '¿No tienes cuenta? Regístrate' %}</a>
+        </p>
+      </div>
+    </div>
+  </main>
+{% endblock %}

crochet/templates/registration/register.html

@@ -0,0 +1,37 @@
+{% extends 'crochet/base.html' %}
+{% load i18n %}
+
+{% block title %}{% trans 'Crear cuenta' %}{% endblock %}
+
+{% block extra_css %}
+  {% include 'crochet/_platform_assets.html' %}
+{% endblock %}
+
+{% block content %}
+  <main class="flex justify-center px-4 py-12">
+    <div class="card w-full max-w-sm bg-base-100 shadow-xl border border-base-300">
+      <div class="card-body">
+        <h1 class="card-title">{% trans 'Crear cuenta' %}</h1>
+        <form method="post" class="flex flex-col gap-3">
+          {% csrf_token %}
+          {% for field in form %}
+            <label class="flex flex-col gap-1">
+              <span class="text-sm">{{ field.label }}</span>
+              {{ field }}
+              {% for error in field.errors %}
+                <span class="text-error text-xs">{{ error }}</span>
+              {% endfor %}
+              {% if field.help_text %}
+                <span class="text-xs text-base-content/60">{{ field.help_text }}</span>
+              {% endif %}
+            </label>
+          {% endfor %}
+          <button type="submit" class="btn btn-primary mt-2">{% trans 'Registrarme' %}</button>
+        </form>
+        <p class="text-sm text-center mt-2">
+          <a href="{% url 'crochet:login' %}" class="link link-primary">{% trans '¿Ya tienes cuenta? Inicia sesión' %}</a>
+        </p>
+      </div>
+    </div>
+  </main>
+{% endblock %}

crochet/tests/test_auth.py

@@ -0,0 +1,154 @@
+from django.contrib.auth.models import User
+from django.test import TestCase
+from django.urls import reverse
+from django.utils import translation
+
+from crochet.models import Pattern
+
+
+class RegisterViewTests(TestCase):
+    def setUp(self):
+        with translation.override('es'):
+            self.url = reverse('crochet:register')
+
+    def test_get_renders_form(self):
+        response = self.client.get(self.url)
+
+        self.assertEqual(response.status_code, 200)
+        self.assertTemplateUsed(response, 'registration/register.html')
+
+    def test_post_creates_user_and_logs_in(self):
+        response = self.client.post(self.url, {
+            'username': 'crocheter',
+            'password1': 'a-very-uncommon-pw-1',
+            'password2': 'a-very-uncommon-pw-1',
+        })
+
+        self.assertTrue(User.objects.filter(username='crocheter').exists())
+        self.assertRedirects(response, reverse('crochet:account_home'))
+        self.assertIn('_auth_user_id', self.client.session)
+
+    def test_post_with_mismatched_passwords_does_not_create_user(self):
+        response = self.client.post(self.url, {
+            'username': 'crocheter',
+            'password1': 'a-very-uncommon-pw-1',
+            'password2': 'something-else',
+        })
+
+        self.assertEqual(response.status_code, 200)
+        self.assertFalse(User.objects.filter(username='crocheter').exists())
+
+
+class LoginViewTests(TestCase):
+    def setUp(self):
+        self.user = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
+        with translation.override('es'):
+            self.url = reverse('crochet:login')
+
+    def test_get_renders_form(self):
+        response = self.client.get(self.url)
+
+        self.assertEqual(response.status_code, 200)
+        self.assertTemplateUsed(response, 'registration/login.html')
+
+    def test_post_with_correct_credentials_logs_in(self):
+        response = self.client.post(self.url, {
+            'username': 'crocheter',
+            'password': 'a-very-uncommon-pw-1',
+        })
+
+        self.assertRedirects(response, reverse('crochet:account_home'))
+        self.assertIn('_auth_user_id', self.client.session)
+
+    def test_post_with_wrong_password_does_not_log_in(self):
+        response = self.client.post(self.url, {
+            'username': 'crocheter',
+            'password': 'wrong-password',
+        })
+
+        self.assertEqual(response.status_code, 200)
+        self.assertNotIn('_auth_user_id', self.client.session)
+
+
+class LogoutViewTests(TestCase):
+    def test_post_logs_out(self):
+        user = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
+        self.client.force_login(user)
+
+        with translation.override('es'):
+            url = reverse('crochet:logout')
+        response = self.client.post(url)
+
+        self.assertRedirects(response, reverse('crochet:login'))
+        self.assertNotIn('_auth_user_id', self.client.session)
+
+
+class AccountHomeViewTests(TestCase):
+    def setUp(self):
+        with translation.override('es'):
+            self.url = reverse('crochet:account_home')
+
+    def test_anonymous_user_is_redirected_to_login(self):
+        response = self.client.get(self.url)
+
+        with translation.override('es'):
+            login_url = reverse('crochet:login')
+        self.assertRedirects(response, f'{login_url}?next={self.url}')
+
+    def test_logged_in_user_sees_their_username(self):
+        user = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
+        self.client.force_login(user)
+
+        response = self.client.get(self.url)
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'crocheter')
+
+    def test_only_lists_own_patterns(self):
+        owner = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
+        other = User.objects.create_user(username='other', password='a-very-uncommon-pw-1')
+        own_pattern = Pattern.objects.create(created_by=owner, page_settings={'title': 'Bufanda'})
+        Pattern.objects.create(created_by=other, page_settings={'title': 'Gorro'})
+        Pattern.objects.create()  # sin propietario
+
+        self.client.force_login(owner)
+        response = self.client.get(self.url)
+
+        self.assertEqual(list(response.context['patterns']), [own_pattern])
+        self.assertContains(response, 'Bufanda')
+        self.assertNotContains(response, 'Gorro')
+
+
+class PatternCreateViewTests(TestCase):
+    def setUp(self):
+        with translation.override('es'):
+            self.url = reverse('crochet:pattern_create')
+
+    def test_anonymous_user_is_redirected_to_login(self):
+        response = self.client.post(self.url)
+
+        with translation.override('es'):
+            login_url = reverse('crochet:login')
+        self.assertRedirects(response, f'{login_url}?next={self.url}')
+        self.assertEqual(Pattern.objects.count(), 0)
+
+    def test_get_is_not_allowed(self):
+        user = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
+        self.client.force_login(user)
+
+        response = self.client.get(self.url)
+
+        self.assertEqual(response.status_code, 405)
+
+    def test_post_creates_pattern_owned_by_current_user_and_redirects_to_editor(self):
+        user = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
+        self.client.force_login(user)
+
+        response = self.client.post(self.url)
+
+        self.assertEqual(Pattern.objects.count(), 1)
+        pattern = Pattern.objects.get()
+        self.assertEqual(pattern.created_by, user)
+        with translation.override('es'):
+            edit_url = reverse('crochet:pattern_edit', args=[pattern.uuid])
+        self.assertRedirects(response, edit_url)

crochet/tests/test_models.py

@@ -1,5 +1,6 @@
 import io
 
+from django.contrib.auth.models import User
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.test import TestCase
 from PIL import Image
@@ -32,6 +33,21 @@ class PatternModelTests(TestCase):
         second = Pattern.objects.create()
         self.assertNotEqual(first.uuid, second.uuid)
 
+    def test_created_by_defaults_to_none(self):
+        pattern = Pattern.objects.create()
+        self.assertIsNone(pattern.created_by)
+
+    def test_created_by_survives_owner_deletion(self):
+        # SET_NULL (no CASCADE): borrar la cuenta no debe llevarse por delante
+        # el patrón, solo desasociarlo.
+        owner = User.objects.create_user(username='crocheter', password='s3cret-pw')
+        pattern = Pattern.objects.create(created_by=owner)
+
+        owner.delete()
+        pattern.refresh_from_db()
+
+        self.assertIsNone(pattern.created_by)
+
 
 class PatternImageModelTests(TestCase):
     def test_deleted_with_pattern(self):

crochet/tests/test_views.py

@@ -1,6 +1,7 @@
 import json
 import re
 
+from django.contrib.auth.models import User
 from django.test import TestCase
 from django.urls import reverse
 from django.utils import translation
@@ -13,13 +14,16 @@ NO_HTML_COMMENTS_RE = re.compile(r'<!--.*?-->', re.S)
 
 class PatternEditViewTests(TestCase):
     def setUp(self):
+        self.owner = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
         self.pattern = Pattern.objects.create(
             sections=[{'type': 'title', 'text': {'es': 'Ampharos', 'en': 'Ampharos'}}],
             page_settings={'title': 'Ampharos'},
+            created_by=self.owner,
         )
         StitchType.objects.create(translations={'es': 'Punto bajo', 'en': 'SC'}, order=1)
 
     def test_get_in_spanish(self):
+        self.client.force_login(self.owner)
         with translation.override('es'):
             url = reverse('crochet:pattern_edit', args=[self.pattern.uuid])
         response = self.client.get(url)
@@ -30,6 +34,7 @@ class PatternEditViewTests(TestCase):
         self.assertContains(response, 'Guardar')
 
     def test_get_in_english(self):
+        self.client.force_login(self.owner)
         with translation.override('en'):
             url = reverse('crochet:pattern_edit', args=[self.pattern.uuid])
         response = self.client.get(url)
@@ -38,6 +43,7 @@ class PatternEditViewTests(TestCase):
         self.assertContains(response, 'Save')
 
     def test_context_includes_saved_pattern_and_stitch_catalog(self):
+        self.client.force_login(self.owner)
         with translation.override('es'):
             url = reverse('crochet:pattern_edit', args=[self.pattern.uuid])
         response = self.client.get(url)
@@ -48,12 +54,39 @@ class PatternEditViewTests(TestCase):
         ])
 
     def test_unknown_uuid_returns_404(self):
+        self.client.force_login(self.owner)
         with translation.override('es'):
             url = reverse('crochet:pattern_edit', args=['00000000-0000-0000-0000-000000000000'])
         response = self.client.get(url)
 
         self.assertEqual(response.status_code, 404)
 
+    def test_anonymous_user_is_redirected_to_login(self):
+        with translation.override('es'):
+            url = reverse('crochet:pattern_edit', args=[self.pattern.uuid])
+            login_url = reverse('crochet:login')
+        response = self.client.get(url)
+
+        self.assertRedirects(response, f'{login_url}?next={url}')
+
+    def test_other_user_gets_403(self):
+        User.objects.create_user(username='other', password='a-very-uncommon-pw-1')
+        self.client.login(username='other', password='a-very-uncommon-pw-1')
+        with translation.override('es'):
+            url = reverse('crochet:pattern_edit', args=[self.pattern.uuid])
+        response = self.client.get(url)
+
+        self.assertEqual(response.status_code, 403)
+
+    def test_pattern_without_owner_is_blocked_even_for_logged_in_user(self):
+        orphan_pattern = Pattern.objects.create()
+        self.client.force_login(self.owner)
+        with translation.override('es'):
+            url = reverse('crochet:pattern_edit', args=[orphan_pattern.uuid])
+        response = self.client.get(url)
+
+        self.assertEqual(response.status_code, 403)
+
 
 class PatternDetailViewTests(TestCase):
     def setUp(self):
@@ -170,7 +203,9 @@ class PatternI18nUrlTests(TestCase):
 
 class PatternSaveViewTests(TestCase):
     def setUp(self):
-        self.pattern = Pattern.objects.create()
+        self.owner = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
+        self.pattern = Pattern.objects.create(created_by=self.owner)
+        self.client.force_login(self.owner)
         with translation.override('es'):
             self.url = reverse('crochet:pattern_save', args=[self.pattern.uuid])
 
@@ -205,10 +240,30 @@ class PatternSaveViewTests(TestCase):
         response = self.client.post(url, data=json.dumps({}), content_type='application/json')
         self.assertEqual(response.status_code, 404)
 
+    def test_anonymous_user_gets_403(self):
+        self.client.logout()
+        response = self.client.post(self.url, data=json.dumps({}), content_type='application/json')
+        self.assertEqual(response.status_code, 403)
+
+    def test_other_user_gets_403(self):
+        User.objects.create_user(username='other', password='a-very-uncommon-pw-1')
+        self.client.login(username='other', password='a-very-uncommon-pw-1')
+        response = self.client.post(self.url, data=json.dumps({}), content_type='application/json')
+        self.assertEqual(response.status_code, 403)
+
+    def test_pattern_without_owner_is_blocked_even_for_logged_in_user(self):
+        orphan_pattern = Pattern.objects.create()
+        with translation.override('es'):
+            url = reverse('crochet:pattern_save', args=[orphan_pattern.uuid])
+        response = self.client.post(url, data=json.dumps({}), content_type='application/json')
+        self.assertEqual(response.status_code, 403)
+
 
 class PatternImageUploadViewTests(TestCase):
     def setUp(self):
-        self.pattern = Pattern.objects.create()
+        self.owner = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
+        self.pattern = Pattern.objects.create(created_by=self.owner)
+        self.client.force_login(self.owner)
         with translation.override('es'):
             self.url = reverse('crochet:pattern_image_upload', args=[self.pattern.uuid])
 
@@ -228,3 +283,58 @@ class PatternImageUploadViewTests(TestCase):
     def test_missing_file_returns_bad_request(self):
         response = self.client.post(self.url, data={})
         self.assertEqual(response.status_code, 400)
+
+    def test_other_user_gets_403(self):
+        User.objects.create_user(username='other', password='a-very-uncommon-pw-1')
+        self.client.login(username='other', password='a-very-uncommon-pw-1')
+        response = self.client.post(self.url, data={'image': make_test_image_file()})
+        self.assertEqual(response.status_code, 403)
+
+
+class PatternDeleteViewTests(TestCase):
+    def setUp(self):
+        self.owner = User.objects.create_user(username='crocheter', password='a-very-uncommon-pw-1')
+        self.pattern = Pattern.objects.create(created_by=self.owner)
+        with translation.override('es'):
+            self.url = reverse('crochet:pattern_delete', args=[self.pattern.uuid])
+
+    def test_owner_can_delete(self):
+        self.client.force_login(self.owner)
+        response = self.client.post(self.url)
+
+        with translation.override('es'):
+            account_home_url = reverse('crochet:account_home')
+        self.assertRedirects(response, account_home_url)
+        self.assertFalse(Pattern.objects.filter(pk=self.pattern.pk).exists())
+
+    def test_anonymous_user_is_redirected_to_login(self):
+        response = self.client.post(self.url)
+
+        with translation.override('es'):
+            login_url = reverse('crochet:login')
+        self.assertRedirects(response, f'{login_url}?next={self.url}')
+        self.assertTrue(Pattern.objects.filter(pk=self.pattern.pk).exists())
+
+    def test_other_user_gets_403(self):
+        User.objects.create_user(username='other', password='a-very-uncommon-pw-1')
+        self.client.login(username='other', password='a-very-uncommon-pw-1')
+        response = self.client.post(self.url)
+
+        self.assertEqual(response.status_code, 403)
+        self.assertTrue(Pattern.objects.filter(pk=self.pattern.pk).exists())
+
+    def test_pattern_without_owner_is_blocked_even_for_logged_in_user(self):
+        orphan_pattern = Pattern.objects.create()
+        self.client.force_login(self.owner)
+        with translation.override('es'):
+            url = reverse('crochet:pattern_delete', args=[orphan_pattern.uuid])
+        response = self.client.post(url)
+
+        self.assertEqual(response.status_code, 403)
+        self.assertTrue(Pattern.objects.filter(pk=orphan_pattern.pk).exists())
+
+    def test_get_is_not_allowed(self):
+        self.client.force_login(self.owner)
+        response = self.client.get(self.url)
+
+        self.assertEqual(response.status_code, 405)

crochet/urls.py

@@ -1,12 +1,18 @@
+from django.contrib.auth import views as auth_views
 from django.urls import path
 from django.utils.translation import gettext_lazy as _
 
+from crochet.forms import StyledAuthenticationForm
 from crochet.views import (
+    AccountHomeView,
+    PatternCreateView,
+    PatternDeleteView,
     PatternDetailView,
     PatternEditView,
     PatternImageUploadView,
     PatternPdfView,
     PatternSaveView,
+    RegisterView,
 )
 
 app_name = 'crochet'
@@ -26,4 +32,15 @@ urlpatterns = [
     path(_('pattern/<uuid:uuid>/save/'), name='pattern_save', view=PatternSaveView.as_view()),
     path(_('pattern/<uuid:uuid>/images/'), name='pattern_image_upload', view=PatternImageUploadView.as_view()),
     path(_('pattern/<uuid:uuid>/pdf/'), name='pattern_pdf', view=PatternPdfView.as_view()),
+    path(_('pattern/<uuid:uuid>/delete/'), name='pattern_delete', view=PatternDeleteView.as_view()),
+    path(_('pattern/new/'), name='pattern_create', view=PatternCreateView.as_view()),
+    path(_('account/'), name='account_home', view=AccountHomeView.as_view()),
+    path(_('account/register/'), name='register', view=RegisterView.as_view()),
+    path(
+        _('account/login/'), name='login',
+        view=auth_views.LoginView.as_view(
+            template_name='registration/login.html', authentication_form=StyledAuthenticationForm,
+        ),
+    ),
+    path(_('account/logout/'), name='logout', view=auth_views.LogoutView.as_view()),
 ]

crochet/views.py

@@ -1,15 +1,19 @@
 import json
 
 import weasyprint
-from django.core.exceptions import SuspiciousFileOperation
+from django.contrib.auth import login
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.core.exceptions import PermissionDenied, SuspiciousFileOperation
 from django.http import HttpResponse, HttpResponseBadRequest, JsonResponse
-from django.shortcuts import get_object_or_404
+from django.shortcuts import get_object_or_404, redirect
 from django.template.loader import render_to_string
+from django.urls import reverse_lazy
 from django.utils.text import get_valid_filename
 from django.utils.translation import get_language, gettext_lazy as _
 from django.views import View
-from django.views.generic import DetailView
+from django.views.generic import CreateView, DetailView, TemplateView
 
+from crochet.forms import StyledUserCreationForm
 from crochet.models import Pattern, PatternImage, StitchType
 from crochet.pattern_render import render_pattern_html, sanitize_page_settings
 
@@ -28,6 +32,19 @@ def _stitch_types_data():
     ]
 
 
+def _get_owned_pattern_or_403(request, uuid):
+    # Compartida por todo lo que modifica un patrón (guardar, subir imagen,
+    # borrar) y por PatternEditView: created_by=None son patrones de antes de
+    # tener autenticación, sin dueño al que atribuírselos, así que se
+    # bloquea su edición para todo el mundo en vez de dejarlos abiertos o
+    # asignárselos a quien los toque primero.
+    pattern = get_object_or_404(Pattern, uuid=uuid)
+    if pattern.created_by_id is None or not request.user.is_authenticated \
+            or request.user.id != pattern.created_by_id:
+        raise PermissionDenied
+    return pattern
+
+
 def _pattern_detail_context(pattern):
     # Compartido por PatternDetailView (la pinta) y PatternPdfView (la
     # convierte a PDF con WeasyPrint a partir del mismo HTML), para no
@@ -44,13 +61,21 @@ def _pattern_detail_context(pattern):
     }
 
 
-class PatternEditView(DetailView):
+class PatternEditView(LoginRequiredMixin, DetailView):
     model = Pattern
     template_name = 'crochet/pattern.html'
     context_object_name = 'pattern'
     slug_field = 'uuid'
     slug_url_kwarg = 'uuid'
 
+    def get_object(self, queryset=None):
+        pattern = super().get_object(queryset)
+        # LoginRequiredMixin ya garantiza que request.user está autenticado
+        # aquí (si no, redirige a login antes de llegar a get_object).
+        if pattern.created_by_id is None or pattern.created_by_id != self.request.user.id:
+            raise PermissionDenied
+        return pattern
+
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         # Resuelto por LocaleMiddleware a partir del prefijo de idioma de la
@@ -135,8 +160,13 @@ class PatternPdfView(DetailView):
 
 
 class PatternSaveView(View):
+    # Sin LoginRequiredMixin a propósito: esto lo llama storage.js por
+    # fetch, y su redirección a login (una respuesta 200 con el HTML del
+    # formulario) haría que "response.ok" diera un falso "guardado" en vez
+    # de disparar el aviso de error. _get_owned_pattern_or_403 ya cubre
+    # tanto "sin sesión" como "de otro usuario" con un 403 real.
     def post(self, request, uuid):
-        pattern = get_object_or_404(Pattern, uuid=uuid)
+        pattern = _get_owned_pattern_or_403(request, uuid)
 
         try:
             data = json.loads(request.body)
@@ -151,8 +181,9 @@ class PatternSaveView(View):
 
 
 class PatternImageUploadView(View):
+    # Mismo motivo que en PatternSaveView: lo llama sections.js por fetch.
     def post(self, request, uuid):
-        pattern = get_object_or_404(Pattern, uuid=uuid)
+        pattern = _get_owned_pattern_or_403(request, uuid)
 
         image_file = request.FILES.get('image')
         if not image_file:
@@ -160,3 +191,48 @@ class PatternImageUploadView(View):
 
         pattern_image = PatternImage.objects.create(pattern=pattern, image=image_file)
         return JsonResponse({'id': pattern_image.id, 'url': pattern_image.image.url})
+
+
+class RegisterView(CreateView):
+    # UserCreationForm ya pide justo nombre de usuario + contraseña (dos
+    # veces, para confirmarla): no hace falta un formulario propio, solo la
+    # versión con clases de daisyUI en sus widgets (ver crochet/forms.py).
+    form_class = StyledUserCreationForm
+    template_name = 'registration/register.html'
+    success_url = reverse_lazy('crochet:account_home')
+
+    def form_valid(self, form):
+        response = super().form_valid(form)
+        # Registrarse ya cuenta como haber probado usuario/contraseña, así
+        # que se inicia sesión directamente en vez de mandar al usuario a
+        # loguearse otra vez con lo que acaba de escribir.
+        login(self.request, self.object)
+        return response
+
+
+class AccountHomeView(LoginRequiredMixin, TemplateView):
+    template_name = 'crochet/account_home.html'
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['patterns'] = self.request.user.patterns.order_by('-updated_at')
+        return context
+
+
+class PatternCreateView(LoginRequiredMixin, View):
+    # Solo POST (ver el <form> en account_home.html): crear un patrón no
+    # debería poder dispararse desde un simple enlace GET sin token CSRF.
+    def post(self, request):
+        pattern = Pattern.objects.create(created_by=request.user)
+        return redirect('crochet:pattern_edit', uuid=pattern.uuid)
+
+
+class PatternDeleteView(LoginRequiredMixin, View):
+    # Con LoginRequiredMixin (a diferencia de PatternSaveView/
+    # PatternImageUploadView): esto lo dispara un <form> normal (ver
+    # account_home.html y pattern.html), no fetch, así que a un anónimo le
+    # viene mejor la redirección a login que un 403 a secas.
+    def post(self, request, uuid):
+        pattern = _get_owned_pattern_or_403(request, uuid)
+        pattern.delete()
+        return redirect('crochet:account_home')