A community based topic aggregation platform built on atproto

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+274 -50
.beads
cmd
server
internal
api
atproto
lexicon
social
coves
feed
oauth
core
db
postgres
tests
integration
+115
internal/api/handlers/vote/create_vote.go
···
+
package vote
+
+
import (
+
"Coves/internal/api/middleware"
+
"Coves/internal/core/votes"
+
"encoding/json"
+
"log"
+
"net/http"
+
)
+
+
// CreateVoteHandler handles vote creation
+
type CreateVoteHandler struct {
+
service votes.Service
+
}
+
+
// NewCreateVoteHandler creates a new create vote handler
+
func NewCreateVoteHandler(service votes.Service) *CreateVoteHandler {
+
return &CreateVoteHandler{
+
service: service,
+
}
+
}
+
+
// CreateVoteInput represents the request body for creating a vote
+
type CreateVoteInput struct {
+
Subject struct {
+
URI string `json:"uri"`
+
CID string `json:"cid"`
+
} `json:"subject"`
+
Direction string `json:"direction"`
+
}
+
+
// CreateVoteOutput represents the response body for creating a vote
+
type CreateVoteOutput struct {
+
URI string `json:"uri"`
+
CID string `json:"cid"`
+
}
+
+
// HandleCreateVote creates a vote on a post or comment
+
// POST /xrpc/social.coves.vote.create
+
//
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// Request body: { "subject": { "uri": "at://...", "cid": "..." }, "direction": "up" }
+
// Response: { "uri": "at://...", "cid": "..." }
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//
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// Behavior:
+
// - If no vote exists: creates new vote with given direction
+
// - If vote exists with same direction: deletes vote (toggle off)
+
// - If vote exists with different direction: updates to new direction
+
func (h *CreateVoteHandler) HandleCreateVote(w http.ResponseWriter, r *http.Request) {
+
if r.Method != http.MethodPost {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+
return
+
}
+
+
// Parse request body
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var input CreateVoteInput
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if err := json.NewDecoder(r.Body).Decode(&input); err != nil {
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writeError(w, http.StatusBadRequest, "InvalidRequest", "Invalid request body")
+
return
+
}
+
+
// Validate required fields
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if input.Subject.URI == "" {
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writeError(w, http.StatusBadRequest, "InvalidRequest", "subject.uri is required")
+
return
+
}
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if input.Subject.CID == "" {
+
writeError(w, http.StatusBadRequest, "InvalidRequest", "subject.cid is required")
+
return
+
}
+
if input.Direction == "" {
+
writeError(w, http.StatusBadRequest, "InvalidRequest", "direction is required")
+
return
+
}
+
+
// Validate direction
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if input.Direction != "up" && input.Direction != "down" {
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writeError(w, http.StatusBadRequest, "InvalidRequest", "direction must be 'up' or 'down'")
+
return
+
}
+
+
// Get OAuth session from context (injected by auth middleware)
+
session := middleware.GetOAuthSession(r)
+
if session == nil {
+
writeError(w, http.StatusUnauthorized, "AuthRequired", "Authentication required")
+
return
+
}
+
+
// Create vote request
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req := votes.CreateVoteRequest{
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Subject: votes.StrongRef{
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URI: input.Subject.URI,
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CID: input.Subject.CID,
+
},
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Direction: input.Direction,
+
}
+
+
// Call service to create vote
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response, err := h.service.CreateVote(r.Context(), session, req)
+
if err != nil {
+
handleServiceError(w, err)
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return
+
}
+
+
// Return success response
+
output := CreateVoteOutput{
+
URI: response.URI,
+
CID: response.CID,
+
}
+
+
w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
+
if err := json.NewEncoder(w).Encode(output); err != nil {
+
log.Printf("Failed to encode response: %v", err)
+
}
+
}
+93
internal/api/handlers/vote/delete_vote.go
···
+
package vote
+
+
import (
+
"Coves/internal/api/middleware"
+
"Coves/internal/core/votes"
+
"encoding/json"
+
"log"
+
"net/http"
+
)
+
+
// DeleteVoteHandler handles vote deletion
+
type DeleteVoteHandler struct {
+
service votes.Service
+
}
+
+
// NewDeleteVoteHandler creates a new delete vote handler
+
func NewDeleteVoteHandler(service votes.Service) *DeleteVoteHandler {
+
return &DeleteVoteHandler{
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service: service,
+
}
+
}
+
+
// DeleteVoteInput represents the request body for deleting a vote
+
type DeleteVoteInput struct {
+
Subject struct {
+
URI string `json:"uri"`
+
CID string `json:"cid"`
+
} `json:"subject"`
+
}
+
+
// DeleteVoteOutput represents the response body for deleting a vote
+
// Per lexicon: output is an empty object
+
type DeleteVoteOutput struct{}
+
+
// HandleDeleteVote removes a vote from a post or comment
+
// POST /xrpc/social.coves.vote.delete
+
//
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// Request body: { "subject": { "uri": "at://...", "cid": "..." } }
+
// Response: { "success": true }
+
func (h *DeleteVoteHandler) HandleDeleteVote(w http.ResponseWriter, r *http.Request) {
+
if r.Method != http.MethodPost {
+
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+
return
+
}
+
+
// Parse request body
+
var input DeleteVoteInput
+
if err := json.NewDecoder(r.Body).Decode(&input); err != nil {
+
writeError(w, http.StatusBadRequest, "InvalidRequest", "Invalid request body")
+
return
+
}
+
+
// Validate required fields
+
if input.Subject.URI == "" {
+
writeError(w, http.StatusBadRequest, "InvalidRequest", "subject.uri is required")
+
return
+
}
+
if input.Subject.CID == "" {
+
writeError(w, http.StatusBadRequest, "InvalidRequest", "subject.cid is required")
+
return
+
}
+
+
// Get OAuth session from context (injected by auth middleware)
+
session := middleware.GetOAuthSession(r)
+
if session == nil {
+
writeError(w, http.StatusUnauthorized, "AuthRequired", "Authentication required")
+
return
+
}
+
+
// Create delete vote request
+
req := votes.DeleteVoteRequest{
+
Subject: votes.StrongRef{
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URI: input.Subject.URI,
+
CID: input.Subject.CID,
+
},
+
}
+
+
// Call service to delete vote
+
err := h.service.DeleteVote(r.Context(), session, req)
+
if err != nil {
+
handleServiceError(w, err)
+
return
+
}
+
+
// Return success response (empty object per lexicon)
+
output := DeleteVoteOutput{}
+
+
w.Header().Set("Content-Type", "application/json")
+
w.WriteHeader(http.StatusOK)
+
if err := json.NewEncoder(w).Encode(output); err != nil {
+
log.Printf("Failed to encode response: %v", err)
+
}
+
}
+24
internal/api/routes/vote.go
···
+
package routes
+
+
import (
+
"Coves/internal/api/handlers/vote"
+
"Coves/internal/api/middleware"
+
"Coves/internal/core/votes"
+
+
"github.com/go-chi/chi/v5"
+
)
+
+
// RegisterVoteRoutes registers vote-related XRPC endpoints on the router
+
// Implements social.coves.feed.vote.* lexicon endpoints
+
func RegisterVoteRoutes(r chi.Router, voteService votes.Service, authMiddleware *middleware.OAuthAuthMiddleware) {
+
// Initialize handlers
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createHandler := vote.NewCreateVoteHandler(voteService)
+
deleteHandler := vote.NewDeleteVoteHandler(voteService)
+
+
// Procedure endpoints (POST) - require authentication
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// social.coves.feed.vote.create - create or update a vote on a post/comment
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r.With(authMiddleware.RequireAuth).Post("/xrpc/social.coves.feed.vote.create", createHandler.HandleCreateVote)
+
+
// social.coves.feed.vote.delete - delete a vote from a post/comment
+
r.With(authMiddleware.RequireAuth).Post("/xrpc/social.coves.feed.vote.delete", deleteHandler.HandleDeleteVote)
+
}
+16
tests/integration/helpers.go
···
// AddSession adds a session to the store
func (m *MockOAuthStore) AddSession(did, sessionID, accessToken string) {
+
m.AddSessionWithPDS(did, sessionID, accessToken, getTestPDSURL())
+
}
+
+
// AddSessionWithPDS adds a session to the store with a specific PDS URL
+
func (m *MockOAuthStore) AddSessionWithPDS(did, sessionID, accessToken, pdsURL string) {
key := did + ":" + sessionID
parsedDID, _ := syntax.ParseDID(did)
m.sessions[key] = &oauthlib.ClientSessionData{
AccountDID: parsedDID,
SessionID: sessionID,
AccessToken: accessToken,
+
HostURL: pdsURL,
}
}
···
e.store.AddSession(did, sessionID, "access-token-"+did)
return token
}
+
+
// AddUserWithPDSToken registers a user with their real PDS access token
+
// Use this for E2E tests that need to write to the real PDS
+
func (e *E2EOAuthMiddleware) AddUserWithPDSToken(did, pdsAccessToken, pdsURL string) string {
+
token := "test-token-" + did
+
sessionID := "session-" + did
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e.unsealer.AddSession(token, did, sessionID)
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e.store.AddSessionWithPDS(did, sessionID, pdsAccessToken, pdsURL)
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return token
+
}
+3
.beads/beads.left.jsonl
···
+
{"id":"Coves-95q","content_hash":"8ec99d598f067780436b985f9ad57f0fa19632026981038df4f65f192186620b","title":"Add comprehensive API documentation","description":"","status":"open","priority":2,"issue_type":"task","created_at":"2025-11-17T20:30:34.835721854-08:00","updated_at":"2025-11-17T20:30:34.835721854-08:00","source_repo":".","dependencies":[{"issue_id":"Coves-95q","depends_on_id":"Coves-e16","type":"blocks","created_at":"2025-11-17T20:30:46.273899399-08:00","created_by":"daemon"}]}
+
{"id":"Coves-e16","content_hash":"7c5d0fc8f0e7f626be3dad62af0e8412467330bad01a244e5a7e52ac5afff1c1","title":"Complete post creation and moderation features","description":"","status":"open","priority":1,"issue_type":"feature","created_at":"2025-11-17T20:30:12.885991306-08:00","updated_at":"2025-11-17T20:30:12.885991306-08:00","source_repo":"."}
+
{"id":"Coves-fce","content_hash":"26b3e16b99f827316ee0d741cc959464bd0c813446c95aef8105c7fd1e6b09ff","title":"Implement aggregator feed federation","description":"","status":"open","priority":1,"issue_type":"feature","created_at":"2025-11-17T20:30:21.453326012-08:00","updated_at":"2025-11-17T20:30:21.453326012-08:00","source_repo":"."}
+1
.beads/beads.left.meta.json
···
+
{"version":"0.23.1","timestamp":"2025-12-02T18:25:24.009187871-08:00","commit":"00d7d8d"}
+5 -28
cmd/server/main.go
···
commentRepo := postgresRepo.NewCommentRepository(db)
log.Println("โœ… Comment repository initialized (Jetstream indexing only)")
-
// Initialize subject validator for votes (checks posts and comments exist)
-
subjectValidator := votes.NewCompositeSubjectValidator(
-
// Post existence checker
-
func(ctx context.Context, uri string) (bool, error) {
-
_, err := postRepo.GetByURI(ctx, uri)
-
if err != nil {
-
if err == posts.ErrNotFound {
-
return false, nil
-
}
-
return false, err
-
}
-
return true, nil
-
},
-
// Comment existence checker
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func(ctx context.Context, uri string) (bool, error) {
-
_, err := commentRepo.GetByURI(ctx, uri)
-
if err != nil {
-
if err == comments.ErrCommentNotFound {
-
return false, nil
-
}
-
return false, err
-
}
-
return true, nil
-
},
-
)
-
// Initialize vote service (for XRPC API endpoints)
-
voteService := votes.NewService(voteRepo, subjectValidator, oauthClient, oauthStore, nil)
-
log.Println("โœ… Vote service initialized (with OAuth authentication and subject validation)")
+
// Note: We don't validate subject existence - the vote goes to the user's PDS regardless.
+
// The Jetstream consumer handles orphaned votes correctly by only updating counts for
+
// non-deleted subjects. This avoids race conditions and eventual consistency issues.
+
voteService := votes.NewService(voteRepo, oauthClient, oauthStore, nil)
+
log.Println("โœ… Vote service initialized (with OAuth authentication)")
// Initialize comment service (for query API)
// Requires user and community repos for proper author/community hydration per lexicon
-3
internal/api/handlers/vote/errors.go
···
case errors.Is(err, votes.ErrVoteNotFound):
// Matches: social.coves.feed.vote.delete#VoteNotFound
writeError(w, http.StatusNotFound, "VoteNotFound", "No vote found for this subject")
-
case errors.Is(err, votes.ErrSubjectNotFound):
-
// Matches: social.coves.feed.vote.create#SubjectNotFound
-
writeError(w, http.StatusNotFound, "SubjectNotFound", "The subject post or comment was not found")
case errors.Is(err, votes.ErrInvalidDirection):
writeError(w, http.StatusBadRequest, "InvalidRequest", "Vote direction must be 'up' or 'down'")
case errors.Is(err, votes.ErrInvalidSubject):
-4
internal/atproto/lexicon/social/coves/feed/vote/create.json
···
}
},
"errors": [
-
{
-
"name": "SubjectNotFound",
-
"description": "The subject post or comment was not found"
-
},
{
"name": "NotAuthorized",
"description": "User is not authorized to vote on this content"
+4 -4
internal/atproto/oauth/handlers_security.go
···
// - Android: Verified via /.well-known/assetlinks.json
var allowedMobileRedirectURIs = map[string]bool{
// Custom scheme per atproto spec (reverse-domain of coves.social)
-
"social.coves:/callback": true,
-
"social.coves://callback": true, // Some platforms add double slash
-
"social.coves:/oauth/callback": true, // Alternative path
-
"social.coves://oauth/callback": true,
+
"social.coves:/callback": true,
+
"social.coves://callback": true, // Some platforms add double slash
+
"social.coves:/oauth/callback": true, // Alternative path
+
"social.coves://oauth/callback": true,
// Universal Links - cryptographically bound to app (preferred for security)
"https://coves.social/app/oauth/callback": true,
}
-3
internal/core/votes/errors.go
···
// ErrVoteNotFound indicates the requested vote doesn't exist
ErrVoteNotFound = errors.New("vote not found")
-
// ErrSubjectNotFound indicates the post/comment being voted on doesn't exist
-
ErrSubjectNotFound = errors.New("subject not found")
-
// ErrInvalidDirection indicates the vote direction is not "up" or "down"
ErrInvalidDirection = errors.New("invalid vote direction: must be 'up' or 'down'")
+10 -6
internal/core/votes/service.go
···
// Implements write-forward pattern: validates requests, then forwards to user's PDS
//
// Architecture:
-
// - Service validates input and checks authorization
-
// - Queries user's PDS directly via com.atproto.repo.listRecords to check existing votes
-
// (avoids eventual consistency issues with AppView database)
-
// - Creates/deletes vote records via com.atproto.repo.createRecord/deleteRecord
-
// - AppView indexes resulting records from Jetstream firehose for aggregate counts
+
// - Service validates input and checks authorization
+
// - Queries user's PDS directly via com.atproto.repo.listRecords to check existing votes
+
// (avoids eventual consistency issues with AppView database)
+
// - Creates/deletes vote records via com.atproto.repo.createRecord/deleteRecord
+
// - AppView indexes resulting records from Jetstream firehose for aggregate counts
type Service interface {
// CreateVote creates a new vote or toggles off an existing vote
// Returns URI and CID of created vote, or empty strings if toggled off
···
// Validation:
// - Direction must be "up" or "down" (returns ErrInvalidDirection)
// - Subject URI must be valid AT-URI (returns ErrInvalidSubject)
-
// - Subject must exist (returns ErrSubjectNotFound)
+
// - Subject CID must be provided (returns ErrInvalidSubject)
+
//
+
// Note: Subject existence is NOT validated. Votes on non-existent or deleted
+
// subjects are allowed - the Jetstream consumer handles orphaned votes correctly
+
// by only updating counts for non-deleted subjects.
//
// Behavior:
// - If no vote exists: creates new vote with given direction
+3 -2
internal/db/postgres/vote_repo.go
···
return nil
}
-
// GetByURI retrieves a vote by its AT-URI
+
// GetByURI retrieves an active vote by its AT-URI
// Used by Jetstream consumer for DELETE operations
+
// Returns ErrVoteNotFound for soft-deleted votes
func (r *postgresVoteRepo) GetByURI(ctx context.Context, uri string) (*votes.Vote, error) {
query := `
SELECT
···
subject_uri, subject_cid, direction,
created_at, indexed_at, deleted_at
FROM votes
-
WHERE uri = $1
+
WHERE uri = $1 AND deleted_at IS NULL
`
var vote votes.Vote