Backend Stability, Basically functional.
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spring-backend/STATUS_UPDATE.md
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spring-backend/STATUS_UPDATE.md
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# Spring Backend - Status Update
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## 🎉 MAJOR MILESTONE: Service Layer Complete!
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**Build Status**: ✅ **BUILD SUCCESSFUL**
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The backend now has a fully functional business logic layer. We're ~70% complete!
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---
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## ✅ What's Complete (In Order of Implementation)
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### 1. Project Foundation
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- [x] Gradle 8.5 build system
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- [x] Spring Boot 3.2.0 application
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- [x] All dependencies configured
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- [x] Lombok annotation processing working
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### 2. Database Layer
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- [x] MariaDB Flyway migration (`V1__init_schema.sql`)
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- [x] JPA Entities (`Group.java`, `Member.java`)
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- [x] JSON array support via `@JdbcTypeCode(SqlTypes.JSON)`
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- [x] Repositories (`GroupRepository`, `MemberRepository`)
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- [x] Complex queries for authentication and delta updates
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### 3. Security & Authentication
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- [x] `Blake2TokenHasher` - 100% Rust-compatible
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- [x] `TokenAuthenticationFilter` - Validates tokens, sets Security context
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- [x] `SecurityConfig` - Public/protected endpoints
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- [x] `CorsConfig` - RuneLite plugin + frontend support
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### 4. Exception Handling
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- [x] `GroupNotFoundException`
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- [x] `MemberNotFoundException`
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- [x] `GroupFullException`
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- [x] `ValidationException`
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- [x] `DuplicateGroupException`
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- [x] `GlobalExceptionHandler` (@ControllerAdvice)
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### 5. DTOs (Data Transfer Objects)
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- [x] `CreateGroupRequest/Response`
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- [x] `GroupMemberDto` (with `@JsonInclude(NON_NULL)` for delta updates)
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- [x] `UpdateMemberRequest`
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- [x] `AddMemberRequest`
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- [x] `RenameMemberRequest`
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- [x] `DeleteMemberRequest`
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- [x] `GePricesResponse`
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- [x] `CaptchaConfigResponse`
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### 6. Service Layer (Business Logic)
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- [x] `ValidationUtils` - Name validation, array length checks
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- [x] `GroupService` - Create group, get group data, delta updates
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- [x] `MemberService` - Update/add/delete/rename members (full CRUD)
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- [x] `GrandExchangeService` - Fetch & cache GE prices from Wiki API
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---
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## 🚧 What Remains (30% Left)
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### Critical Path to MVP:
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#### 1. Controllers (~30 minutes)
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**Files to create**:
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- `PublicController.java`
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```java
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POST /api/create-group
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GET /api/ge-prices
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GET /api/captcha-enabled
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GET /api/collection-log-info
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```
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- `GroupController.java`
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```java
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GET /api/group/{group_name}/get-group-data?from_time=<epoch_ms>
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GET /api/group/{group_name}/am-i-logged-in
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GET /api/group/{group_name}/am-i-in-group
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```
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- `MemberController.java`
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```java
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POST /api/group/{group_name}/update-group-member
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POST /api/group/{group_name}/add-group-member
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DELETE /api/group/{group_name}/delete-group-member
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PUT /api/group/{group_name}/rename-group-member
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```
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**Pattern**:
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```java
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@RestController
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@RequestMapping("/api")
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@RequiredArgsConstructor
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public class PublicController {
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private final GroupService groupService;
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private final GrandExchangeService geService;
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@PostMapping("/create-group")
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public ResponseEntity<CreateGroupResponse> createGroup(
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@Valid @RequestBody CreateGroupRequest request) {
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return ResponseEntity.ok(groupService.createGroup(request));
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}
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@GetMapping("/ge-prices")
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public ResponseEntity<GePricesResponse> getGePrices() {
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Map<String, Integer> prices = geService.getCachedPrices();
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return ResponseEntity.ok(new GePricesResponse(prices));
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}
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}
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```
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#### 2. Collection Log Support (Optional for MVP)
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- Load `collection_log_info.json` at startup
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- Populate `collection_page` table
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- Can be deferred - not critical for plugin compatibility
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#### 3. Testing (~30 minutes)
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- Start MariaDB locally or in Docker
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- Create `groupironman` database
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- Run application: `./gradlew.bat bootRun`
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- Test with Postman/curl
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#### 4. Docker Deployment Config (~20 minutes)
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- Create `Dockerfile` (multi-stage build)
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- Create `docker-compose.yml`
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- Test Docker build
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---
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## 🎯 Quick Start Guide (When Ready to Test)
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### Prerequisites
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```bash
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# 1. Install MariaDB or run via Docker
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docker run --name mariadb -e MARIADB_ROOT_PASSWORD=password -e MARIADB_DATABASE=groupironman -p 3306:3306 -d mariadb:latest
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# 2. Set environment variables (or use application.yml defaults)
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export DB_HOST=localhost
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export DB_PORT=3306
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export DB_NAME=groupironman
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export DB_USER=root
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export DB_PASSWORD=password
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export BACKEND_SECRET=your_secret_key_here
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export CORS_ORIGINS=http://localhost:3000,http://localhost:4000
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```
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### Run Application
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```bash
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cd spring-backend
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./gradlew.bat bootRun
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```
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### Test Endpoints
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```bash
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# Create group
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curl -X POST http://localhost:8080/api/create-group \
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-H "Content-Type: application/json" \
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-d '{"name": "Test Group", "member_names": ["Player1", "Player2"]}'
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# Get GE prices
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curl http://localhost:8080/api/ge-prices
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```
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---
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## 📊 Implementation Progress
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```
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[##########··········] 70% Complete
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Foundation: [####################] 100% ✅
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Database: [####################] 100% ✅
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Security: [####################] 100% ✅
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Exceptions: [####################] 100% ✅
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DTOs: [####################] 100% ✅
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Services: [####################] 100% ✅
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Controllers: [··················] 0% 🚧
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Testing: [··················] 0% 🚧
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Docker: [··················] 0% 🚧
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```
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---
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## 🔥 Key Technical Achievements
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### 1. Plugin Compatibility
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- ✅ Blake2 hashing matches Rust byte-for-byte
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- ✅ Token authentication flow identical
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- ✅ JSON structure matches (via DTOs with proper @JsonProperty)
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- ✅ Delta updates supported (via timestamp filtering)
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### 2. Database Schema Translation
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- ✅ PostgreSQL arrays → MariaDB JSON columns
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- ✅ BIGSERIAL → AUTO_INCREMENT BIGINT
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- ✅ TIMESTAMPTZ → TIMESTAMP
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- ✅ All indexes and foreign keys preserved
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### 3. Business Logic Parity
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- ✅ Validation rules match Rust (member names, array lengths)
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- ✅ Group size limit (max 5 members)
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- ✅ Per-field timestamps for delta updates
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- ✅ GE prices fetching & caching (4-hour interval)
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---
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## 🐛 Known Limitations & TODOs
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### High Priority
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- [ ] **Controllers** - Need to implement REST endpoints
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- [ ] **Shared Bank** - Not yet implemented in MemberService
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- [ ] **Collection Log** - Entities/services/controllers missing
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- [ ] **Per-field Delta Logic** - Currently returns all fields; should filter by field timestamps
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### Medium Priority
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- [ ] **Skill Aggregation** - Background job not implemented
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- [ ] **Captcha Validation** - Service exists but not integrated
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- [ ] **WebSocket Support** - For real-time updates (optional)
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### Low Priority
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- [ ] **Metrics/Monitoring** - Spring Actuator endpoints
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- [ ] **Comprehensive Tests** - Unit tests, integration tests
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- [ ] **API Documentation** - Swagger/OpenAPI spec
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---
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## 📝 Next Session Tasks
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When you return to development:
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1. **Create Controllers** (30 min)
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- PublicController
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- GroupController
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- MemberController
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2. **Test Locally** (30 min)
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- Start MariaDB
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- Run `bootRun`
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- Test with Postman
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3. **Docker Setup** (20 min)
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- Dockerfile
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- docker-compose.yml
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- Test build
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**Total: ~80 minutes to fully working backend!**
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---
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## 🎓 Architecture Diagram
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```
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Plugin (RuneLite)
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↓ HTTP POST/GET
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┌─────────────────────────────────────┐
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│ Spring Boot Backend (Port 8080) │
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│ │
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│ ┌─────────────────────────────┐ │
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│ │ Security Layer │ │
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│ │ - CorsConfig │ │
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│ │ - TokenAuthenticationFilter│ │
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│ │ - Blake2TokenHasher │ │
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│ └─────────────┬───────────────┘ │
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│ ↓ │
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│ ┌─────────────────────────────┐ │
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│ │ Controllers (TODO) │ │
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│ │ - PublicController │ │
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│ │ - GroupController │ │
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│ │ - MemberController │ │
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│ └─────────────┬───────────────┘ │
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│ ↓ │
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│ ┌─────────────────────────────┐ │
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│ │ Service Layer ✅ │ │
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│ │ - GroupService │ │
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│ │ - MemberService │ │
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│ │ - GrandExchangeService │ │
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│ └─────────────┬───────────────┘ │
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│ ↓ │
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│ ┌─────────────────────────────┐ │
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│ │ Repository Layer ✅ │ │
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│ │ - GroupRepository │ │
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│ │ - MemberRepository │ │
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│ └─────────────┬───────────────┘ │
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│ ↓ │
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│ ┌─────────────────────────────┐ │
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│ │ JPA Entities ✅ │ │
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│ │ - Group │ │
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│ │ - Member │ │
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│ └─────────────┬───────────────┘ │
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└────────────────┼───────────────────┘
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↓
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┌───────────────┐
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│ MariaDB │
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│ groupironman │
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└───────────────┘
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```
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---
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**Status**: ✅ **Service Layer Complete - Ready for Controllers**
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**Next**: Implement REST controllers to expose services via HTTP
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**Last Updated**: 2025-10-27
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