feat: community RPC 从内存存储迁移到 ent 数据库

app/community/rpc/internal/models/schema/postlikes.go

@@ -0,0 +1,30 @@
+package schema
+
+import (
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+)
+
+type PostLikes struct {
+	ent.Schema
+}
+
+func (PostLikes) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int64("id").Immutable().Unique(),
+		field.Int64("post_id"),
+		field.Int64("user_id"),
+		field.Time("created_at").Default(time.Now).Immutable(),
+	}
+}
+
+func (PostLikes) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("post_id", "user_id").Unique(),
+		index.Fields("user_id", "post_id"),
+		index.Fields("user_id", "created_at"),
+	}
+}