implemented file upload for attachments

src/model/Attachment.ts

@@ -0,0 +1,31 @@
+import { Association, BelongsToGetAssociationMixin, BelongsToManyGetAssociationsMixin, DataTypes, ForeignKey, InferAttributes, InferCreationAttributes, Model, NonAttribute, Sequelize } from "@sequelize/core";
+import { Post } from "./Post";
+
+import { SqliteDialect } from '@sequelize/sqlite3';
+import { Attribute, AutoIncrement, BelongsTo, BelongsToMany, NotNull, PrimaryKey, Unique } from "@sequelize/core/decorators-legacy";
+
+export class Attachment extends Model<InferAttributes<Attachment>, InferCreationAttributes<Attachment>> {
+    @PrimaryKey
+    @AutoIncrement
+    @Attribute(DataTypes.INTEGER)
+    @Unique
+    declare id: number;
+    @Attribute(DataTypes.STRING)
+    declare path: string
+    
+    // Associations
+    @Attribute(DataTypes.INTEGER)
+    @NotNull
+    declare postid: number;
+    @BelongsTo(()=>Post,{foreignKey: 'postid', inverse: {type: "hasMany", as: 'attachments'}})
+    declare post?:NonAttribute<Post>;
+    declare static associations: {
+        posts: Association<Post, Attachment>;
+    };
+}
+
+const sequelize = new Sequelize({
+    dialect: SqliteDialect,
+    storage: 'db.sqlite',
+    models: [Attachment]
+})

src/model/Post.ts

@@ -5,6 +5,7 @@ import { Attribute, AutoIncrement, BelongsTo, BelongsToMany, CreatedAt, Default,
 import { Tag } from "./Tag";
 import { PostTag } from "./PostTag";
 import { Project } from "./Project";
+import { Attachment } from "./Attachment";
 
 export class Post extends Model<InferAttributes<Post>, InferCreationAttributes<Post>> {
     
@@ -45,6 +46,10 @@ export class Post extends Model<InferAttributes<Post>, InferCreationAttributes<P
 
     @BelongsToMany(()=>Tag, { through: { model: ()=>PostTag, unique: false}, inverse: {as: 'taggedPosts'} })
     declare postTags?:NonAttribute<Tag[]>;
+
+    /** Defined by {@link Attachment.post} */
+    declare Attachments:NonAttribute<Attachment>[];
+
     
     declare getUser: BelongsToGetAssociationMixin<User>;