adding details

backend/api/serializers.py

@@ -0,0 +1,125 @@
+from __future__ import annotations
+
+from rest_framework import serializers
+
+from .models import (
+    BlogPost,
+    ContactSubmission,
+    Founder,
+    JobApplication,
+    JobOpening,
+    NewsletterSignup,
+    Product,
+)
+
+
+class ProductSerializer(serializers.ModelSerializer):
+    category_label = serializers.CharField(source="get_category_display", read_only=True)
+
+    class Meta:
+        model = Product
+        fields = [
+            "slug",
+            "name",
+            "category",
+            "category_label",
+            "tagline",
+            "summary",
+            "description",
+            "benefits",
+            "features",
+            "spec_table",
+            "primary_cta_label",
+        ]
+
+
+class FounderSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Founder
+        fields = ["name", "role", "domain", "bio", "photo_url", "linkedin_url"]
+
+
+class BlogPostListSerializer(serializers.ModelSerializer):
+    category_label = serializers.CharField(source="get_category_display", read_only=True)
+
+    class Meta:
+        model = BlogPost
+        fields = [
+            "slug",
+            "title",
+            "excerpt",
+            "category",
+            "category_label",
+            "author_name",
+            "read_time_minutes",
+            "cover_image_url",
+            "published_at",
+        ]
+
+
+class BlogPostDetailSerializer(BlogPostListSerializer):
+    class Meta(BlogPostListSerializer.Meta):
+        fields = BlogPostListSerializer.Meta.fields + ["body"]
+
+
+class JobOpeningSerializer(serializers.ModelSerializer):
+    location_label = serializers.CharField(source="get_location_display", read_only=True)
+
+    class Meta:
+        model = JobOpening
+        fields = [
+            "slug",
+            "title",
+            "location",
+            "location_label",
+            "employment_type",
+            "description",
+            "posted_at",
+        ]
+
+
+class ContactSubmissionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ContactSubmission
+        fields = [
+            "name",
+            "email",
+            "company",
+            "role",
+            "country",
+            "interest",
+            "message",
+            "referrer",
+        ]
+        extra_kwargs = {
+            "name": {"required": True, "allow_blank": False},
+            "email": {"required": True},
+            "message": {"required": True, "allow_blank": False},
+        }
+
+    def validate_message(self, value: str) -> str:
+        if len(value.strip()) < 10:
+            raise serializers.ValidationError(
+                "Please write a few words about what you're looking for."
+            )
+        return value.strip()
+
+
+class NewsletterSignupSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = NewsletterSignup
+        fields = ["email", "source"]
+
+    def create(self, validated_data):
+        email = validated_data["email"].lower().strip()
+        obj, _ = NewsletterSignup.objects.get_or_create(
+            email=email,
+            defaults={"source": validated_data.get("source", "")},
+        )
+        return obj
+
+
+class JobApplicationSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = JobApplication
+        fields = ["name", "email", "role_applied_for", "portfolio_url", "message", "cv"]