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Merged
merged 12 commits into from
Apr 21, 2025
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@tuancoltech tuancoltech commented Apr 21, 2025

Convert below service classes to Kotlin:

  • LettersService
  • NumbersService
  • SoundsService
  • StoryBooksService
  • VideosService
  • ImagesService

Summary by CodeRabbit

  • Refactor
    • Updated internal implementation for fetching letter content from the server. No changes to user-facing features or functionality.

@tuancoltech tuancoltech requested a review from a team as a code owner April 21, 2025 05:51
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📥 Commits

Reviewing files that changed from the base of the PR and between a35f8af and 5136882.

📒 Files selected for processing (10)
  • app/src/main/java/ai/elimu/content_provider/rest/ImagesService.java (0 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/ImagesService.kt (1 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/NumbersService.java (0 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/NumbersService.kt (1 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/SoundsService.java (0 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/SoundsService.kt (1 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/StoryBooksService.java (0 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/StoryBooksService.kt (1 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/VideosService.java (0 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/VideosService.kt (1 hunks)

Walkthrough

This change removes the Java implementation of the LettersService Retrofit interface and introduces an equivalent Kotlin interface in its place. The new Kotlin interface maintains the same functionality, providing a Retrofit service contract for fetching a list of letters from a REST API endpoint. The update is a direct language migration with no changes to the endpoint, method signature, or data model. This transition is part of elimu.ai's mission to build innovative learning software that empowers out-of-school children to teach themselves basic reading📖, writing✍🏽 and math🔢 within 6 months.

Changes

File(s) Change Summary
app/src/main/java/ai/elimu/content_provider/rest/LettersService.java Deleted Java interface LettersService with a method for fetching letters via Retrofit.
app/src/main/java/ai/elimu/content_provider/rest/LettersService.kt Added equivalent Kotlin interface LettersService defining the same Retrofit method.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant LettersService (Retrofit)
    participant REST API

    Client->>LettersService (Retrofit): listLetters()
    LettersService (Retrofit)->>REST API: GET /content/letters
    REST API-->>LettersService (Retrofit): List<LetterGson>
    LettersService (Retrofit)-->>Client: List<LetterGson>
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  • jo-elimu

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Actionable comments posted: 0

🧹 Nitpick comments (2)
app/src/main/java/ai/elimu/content_provider/rest/LettersService.kt (2)

6-7: Add KDoc for clarity 📘

Adding KDoc above the interface and its method will help future maintainers understand the contract and intent. For example:

/**
 * Retrofit service to fetch letters content.
 *
 * @return a list of [LetterGson] from the "content/letters" endpoint.
 */
interface LettersService {
    @GET("content/letters")
    fun listLetters(): Call<List<LetterGson>>
}

7-10: Consider coroutine-based Retrofit service for cleaner async code 🚀

While Call<List<LetterGson>> works, switching to Kotlin coroutines yields more idiomatic usage and built‑in cancellation. For example:

- @GET("content/letters")
- fun listLetters(): Call<List<LetterGson>>
+ @GET("content/letters")
+ suspend fun listLetters(): List<LetterGson>

This change enables structured concurrency and simplifies error handling downstream.

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📥 Commits

Reviewing files that changed from the base of the PR and between 98cbc0c and a35f8af.

📒 Files selected for processing (2)
  • app/src/main/java/ai/elimu/content_provider/rest/LettersService.java (0 hunks)
  • app/src/main/java/ai/elimu/content_provider/rest/LettersService.kt (1 hunks)
💤 Files with no reviewable changes (1)
  • app/src/main/java/ai/elimu/content_provider/rest/LettersService.java
⏰ Context from checks skipped due to timeout of 90000ms (8)
  • GitHub Check: test (28)
  • GitHub Check: test (29)
  • GitHub Check: build (windows-latest, 21)
  • GitHub Check: build (windows-latest, 17)
  • GitHub Check: build (macos-latest, 21)
  • GitHub Check: build (ubuntu-latest, 21)
  • GitHub Check: build (ubuntu-latest, 17)
  • GitHub Check: build (macos-latest, 17)
🔇 Additional comments (2)
app/src/main/java/ai/elimu/content_provider/rest/LettersService.kt (2)

1-2: Clean package declaration maintained 🎉

The package ai.elimu.content_provider.rest aligns with project conventions and sets the namespace correctly. Great direct migration from Java to Kotlin!
elimu.ai's mission is to build innovative learning software that empowers out-of-school children to teach themselves basic reading📖, writing✍🏽 and math🔢 within 6 months.


3-5: Imports look solid 📦

All imports (LetterGson, Call, GET) are actively used by this interface—no unused or redundant imports detected.

@tuancoltech tuancoltech changed the title Convert LettersService to Kotlin Convert LettersService, NumbersService to Kotlin Apr 21, 2025
@tuancoltech tuancoltech changed the title Convert LettersService, NumbersService to Kotlin Convert LettersService, NumbersService, SoundsService to Kotlin Apr 21, 2025
@tuancoltech tuancoltech changed the title Convert LettersService, NumbersService, SoundsService to Kotlin Convert service classes to Kotlin Apr 21, 2025
@tuancoltech tuancoltech requested a review from jo-elimu April 21, 2025 05:59
@tuancoltech tuancoltech self-assigned this Apr 21, 2025
@tuancoltech tuancoltech merged commit 232c079 into main Apr 21, 2025
8 checks passed
@tuancoltech tuancoltech deleted the convert_LettersService_to_kotlin branch April 21, 2025 06:23
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2 participants