PM-5485 - media assets for project showcase

[vas3a]

This pull request adds support for attaching media assets (such as images and videos) to project showcase posts. It introduces the necessary database schema, DTOs, service logic, and tests to enable creating, updating, and retrieving media assets associated with posts.

Database and Schema Changes

• Added a new table project_showcase_post_media to store media assets linked to showcase posts, including fields for type, URL, creator, and timestamps.
• Updated the Prisma schema to include the ProjectShowcasePostMedia model and relate it to ProjectShowcasePost.

DTO and API Changes

• Introduced ProjectShowcasePostMediaInputDto and ProjectShowcasePostMediaDto for input and output of media assets, and extended the create/update/showcase post DTOs to include a media field.

Service Logic

• Updated ProjectShowcasePostService to handle creation, updating, and retrieval of media assets as part of project showcase posts. Media assets are now created, updated (with full replacement), and returned in API responses.

Testing

• Added and extended tests to verify creating and updating posts with media assets, ensuring correct persistence and API response structure.

[Copilot]

Pull request overview

Adds first-class “media assets” support to Project Showcase posts by introducing a new project_showcase_post_media persistence model and threading media through DTOs, service create/update logic, and tests.

Changes:

• Added a new ProjectShowcasePostMedia Prisma model + SQL migration table for storing per-post media assets.
• Extended create/update/read flows to persist media assets (create + full replacement on update) and include them in responses.
• Added/updated DTOs and unit tests to cover create/update with media.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
src/api/project-showcase-post/project-showcase-post.service.ts	Includes media in queries and implements create/update persistence + response mapping for media assets.
src/api/project-showcase-post/project-showcase-post.service.spec.ts	Adds assertions for create/update behavior when media assets are provided.
src/api/project-showcase-post/dto/project-showcase-post-response.dto.ts	Adds media to the post response DTO.
src/api/project-showcase-post/dto/project-showcase-post-media.dto.ts	Introduces DTO describing a media asset returned from the API.
src/api/project-showcase-post/dto/project-showcase-post-media-input.dto.ts	Introduces input DTO for media assets in create/update requests.
src/api/project-showcase-post/dto/create-project-showcase-post.dto.ts	Extends create DTO with nested media input.
prisma/schema.prisma	Adds ProjectShowcasePostMedia model and relation from ProjectShowcasePost.
prisma/migrations/20260624000000_add_project_showcase_cms/migration.sql	Creates project_showcase_post_media table as part of the migration.

Comments suppressed due to low confidence (1)

prisma/migrations/20260624000000_add_project_showcase_cms/migration.sql:69

• The new project_showcase_post_media table is queried by projectShowcasePostId (relation include), but the migration doesn't create an index for it. Add an index to avoid full-table scans as media grows.

-- Indexes for query performance
CREATE INDEX "project_showcase_posts_status_idx" ON projects."project_showcase_posts"("status");
CREATE INDEX "project_showcase_posts_project_id_idx" ON projects."project_showcase_posts"("projectId");
CREATE INDEX "project_showcase_post_industries_project_showcase_post_id_idx" ON projects."project_showcase_post_industries"("projectShowcasePostId");
CREATE INDEX "project_showcase_post_industries_industry_id_idx" ON projects."project_showcase_post_industries"("industryId");

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[kkartunov]

Looks good