Phase 2: T-201 至 T-206 前台 MVP 全部实现（11 templates + CSS + 31 tests）

core/models.py

@@ -1,4 +1,6 @@
+from django.core.paginator import Paginator, EmptyPage
 from django.db import models
+from django.db.models import Q
 from django.core.exceptions import ValidationError
 from django.core.validators import MinValueValidator, MaxValueValidator
 from modelcluster.fields import ParentalManyToManyField
@@ -25,6 +27,18 @@ class ScenarioPage(Page):
 
     content_panels = Page.content_panels
 
+    template = "core/scenario_page.html"
+
+    def get_context(self, request, *args, **kwargs):
+        context = super().get_context(request, *args, **kwargs)
+        context["projects"] = (
+            SkeletonProjectPage.objects.live()
+            .filter(scenarios=self)
+            .prefetch_related("languages", "scenarios")
+            .order_by("-first_published_at")
+        )
+        return context
+
     class Meta:
         verbose_name = "Scenario"
 
@@ -112,11 +126,65 @@ class ProjectIndexPage(Page):
 
     content_panels = Page.content_panels
 
+    template = "core/project_index_page.html"
+
+    def get_context(self, request, *args, **kwargs):
+        context = super().get_context(request, *args, **kwargs)
+        projects = (
+            SkeletonProjectPage.objects.live()
+            .prefetch_related("languages", "scenarios")
+            .order_by("-first_published_at")
+        )
+
+        language = request.GET.get("language", "")
+        framework = request.GET.get("framework", "")
+        database = request.GET.get("database", "")
+        min_score = request.GET.get("min_score", "")
+        q = request.GET.get("q", "")
+
+        if language:
+            projects = projects.filter(languages__slug=language)
+        if framework:
+            projects = projects.filter(frameworks__slug=framework)
+        if database:
+            projects = projects.filter(databases__slug=database)
+        try:
+            score_val = int(min_score)
+            if 0 <= score_val <= 30:
+                projects = [
+                    p for p in projects if p.total_score >= score_val
+                ]
+        except (ValueError, TypeError):
+            pass
+        if q:
+            projects = projects.filter(
+                Q(title__icontains=q) | Q(summary__icontains=q)
+            )
+
+        paginator = Paginator(projects, 20)
+        page = request.GET.get("page", "1")
+        try:
+            context["projects"] = paginator.page(int(page))
+        except (ValueError, EmptyPage):
+            context["projects"] = paginator.page(1)
+
+        context["current_language"] = language
+        context["current_framework"] = framework
+        context["current_database"] = database
+        context["current_min_score"] = min_score
+        context["current_q"] = q
+        context["languages"] = Language.objects.all()
+        context["frameworks"] = Framework.objects.all()
+        context["databases"] = DatabaseOption.objects.all()
+        return context
+
     class Meta:
         verbose_name = "Project Index"
 
 
 class SkeletonProjectPage(Page):
+    template = "core/skeleton_project_page.html"
+
     MATURITY_CHOICES = [
         ("experimental", "Experimental"),
         ("stable", "Stable"),
@@ -255,6 +323,7 @@ class SkeletonProjectPage(Page):
 
 
 class ArticleIndexPage(Page):
+    template = "core/article_index_page.html"
     parent_page_types = ["home.HomePage"]
     subpage_types = ["core.ArticlePage"]
     max_count = 1
@@ -266,6 +335,7 @@ class ArticleIndexPage(Page):
 
 
 class ArticlePage(Page):
+    template = "core/article_page.html"
     body = RichTextField()
     related_projects = ParentalManyToManyField(
         "core.SkeletonProjectPage", blank=True