332 lines
11 KiB
Go
332 lines
11 KiB
Go
package server
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import (
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"net/http"
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"github.com/go-chi/chi/v5"
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chiMiddleware "github.com/go-chi/chi/v5/middleware"
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"github.com/go-chi/cors"
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"github.com/prabhupadasays/spsays-bff/internal/config"
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"github.com/prabhupadasays/spsays-bff/internal/handler"
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"github.com/prabhupadasays/spsays-bff/internal/middleware"
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"github.com/prabhupadasays/spsays-bff/internal/repository"
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"go.uber.org/zap"
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)
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// Server holds all dependencies for the HTTP server.
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type Server struct {
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cfg *config.Config
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logger *zap.Logger
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router chi.Router
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mongo *repository.MongoDB
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// Handlers
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bookH *handler.BookHandler
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letterH *handler.LetterHandler
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essayH *handler.EssayHandler
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glossaryH *handler.GlossaryHandler
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discipleH *handler.DiscipleHandler
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journalH *handler.JournalHandler
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magazineH *handler.MagazineHandler
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otherDocH *handler.OtherDocumentHandler
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transcriptionH *handler.TranscriptionHandler
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}
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// New creates a new Server with all routes registered.
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func New(cfg *config.Config, logger *zap.Logger) *Server {
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mongoDB, err := repository.NewMongoDB(cfg.MongoURI, cfg.MongoDB, logger)
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if err != nil {
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logger.Fatal("failed to connect to MongoDB", zap.Error(err))
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}
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// Initialize repositories
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bookRepo := repository.NewBookRepo(mongoDB)
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letterRepo := repository.NewLetterRepo(mongoDB)
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essayRepo := repository.NewEssayRepo(mongoDB)
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glossaryRepo := repository.NewGlossaryRepo(mongoDB)
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discipleRepo := repository.NewDiscipleRepo(mongoDB)
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journalRepo := repository.NewJournalRepo(mongoDB)
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magazineRepo := repository.NewMagazineRepo(mongoDB)
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otherDocRepo := repository.NewOtherDocumentRepo(mongoDB)
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transcriptionRepo := repository.NewTranscriptionRepo(mongoDB)
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s := &Server{
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cfg: cfg,
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logger: logger,
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mongo: mongoDB,
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// Initialize handlers
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bookH: handler.NewBookHandler(bookRepo),
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letterH: handler.NewLetterHandler(letterRepo),
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essayH: handler.NewEssayHandler(essayRepo),
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glossaryH: handler.NewGlossaryHandler(glossaryRepo),
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discipleH: handler.NewDiscipleHandler(discipleRepo),
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journalH: handler.NewJournalHandler(journalRepo),
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magazineH: handler.NewMagazineHandler(magazineRepo),
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otherDocH: handler.NewOtherDocumentHandler(otherDocRepo),
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transcriptionH: handler.NewTranscriptionHandler(transcriptionRepo),
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}
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s.setupRouter()
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return s
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}
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// Router returns the chi router.
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func (s *Server) Router() http.Handler {
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return s.router
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}
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// Close shuts down all connections gracefully.
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func (s *Server) Close() {
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if err := s.mongo.Close(); err != nil {
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s.logger.Error("failed to close MongoDB connection", zap.Error(err))
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}
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// TODO: close PostgreSQL, Redis, etc. connections
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s.logger.Info("all connections closed")
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}
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// injectBookCode is a middleware that sets "code" in chi's URL params
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// for explicit sub-routes like /books/sb and /books/cc where {code}
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// isn't a URL param but a fixed path prefix.
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func injectBookCode(code string) func(http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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rctx := chi.RouteContext(r.Context())
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rctx.URLParams.Add("code", code)
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next.ServeHTTP(w, r)
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})
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}
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}
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func (s *Server) setupRouter() {
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r := chi.NewRouter()
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// Global middleware
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r.Use(chiMiddleware.RequestID)
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r.Use(chiMiddleware.RealIP)
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r.Use(middleware.Logger(s.logger))
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r.Use(chiMiddleware.Recoverer)
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r.Use(chiMiddleware.Compress(5))
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// CORS
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r.Use(cors.Handler(cors.Options{
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AllowedOrigins: []string{s.cfg.FrontendURL},
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AllowedMethods: []string{"GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"},
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AllowedHeaders: []string{"Accept", "Authorization", "Content-Type", "X-Request-ID"},
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ExposedHeaders: []string{"X-Request-ID"},
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AllowCredentials: true,
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MaxAge: 300,
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}))
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// Health check
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r.Get("/health", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte(`{"status":"ok"}`))
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})
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// API v1
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r.Route("/api/v1", func(r chi.Router) {
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// Books
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r.Route("/books", func(r chi.Router) {
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r.Get("/", s.bookH.ListBooks)
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// --- Verse books with divisions ---
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// SB — canto divisions
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r.Route("/sb", func(r chi.Router) {
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r.Use(injectBookCode("sb"))
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r.Get("/", s.bookH.GetBook)
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r.Get("/{division}", s.bookH.GetDivisionInfo)
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r.Get("/{division}/{chapter}", s.bookH.GetDivisionChapterVerseIndex)
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r.Get("/{division}/{chapter}/verses", s.bookH.GetDivisionChapterVerses)
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r.Get("/{division}/{chapter}/{verse}", s.bookH.GetDivisionVerse)
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})
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// CC — līlā divisions
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r.Route("/cc", func(r chi.Router) {
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r.Use(injectBookCode("cc"))
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r.Get("/", s.bookH.GetBook)
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r.Get("/{division}", s.bookH.GetDivisionInfo)
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r.Get("/{division}/{chapter}", s.bookH.GetDivisionChapterVerseIndex)
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r.Get("/{division}/{chapter}/verses", s.bookH.GetDivisionChapterVerses)
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r.Get("/{division}/{chapter}/{verse}", s.bookH.GetDivisionVerse)
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})
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// --- Verse books without divisions ---
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// BG, SB1962: pure verse books
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for _, code := range []string{"bg", "sb1962"} {
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code := code // capture for closure
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r.Route("/"+code, func(r chi.Router) {
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r.Use(injectBookCode(code))
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r.Get("/", s.bookH.GetBook)
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r.Get("/{chapter}", s.bookH.GetChapterVerseIndex)
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r.Get("/{chapter}/verses", s.bookH.GetChapterVerses)
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r.Get("/{chapter}/{verse}", s.bookH.GetVerse)
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})
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}
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// --- Verse + prose intro books (no division) ---
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// BS, MM, NBS: have both verses and prose intro segments
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for _, code := range []string{"bs", "mm", "nbs"} {
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code := code
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r.Route("/"+code, func(r chi.Router) {
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r.Use(injectBookCode(code))
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r.Get("/", s.bookH.GetBook)
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r.Get("/chapters", s.bookH.ListProseChapters)
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r.Get("/chapters/{slug}", s.bookH.GetProseChapter)
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r.Get("/{chapter}", s.bookH.GetChapterVerseIndex)
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r.Get("/{chapter}/verses", s.bookH.GetChapterVerses)
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r.Get("/{chapter}/{verse}", s.bookH.GetVerse)
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})
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}
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// --- Verse + prose intro books with special slugs ---
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// ISO, NOI: mantras/texts accessed by slug, plus prose intros
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for _, code := range []string{"iso", "noi"} {
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code := code
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r.Route("/"+code, func(r chi.Router) {
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r.Use(injectBookCode(code))
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r.Get("/", s.bookH.GetBook)
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r.Get("/chapters", s.bookH.ListProseChapters)
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r.Get("/chapters/{slug}", s.bookH.GetProseChapter)
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r.Get("/{chapter}", s.bookH.GetChapterVerseIndex)
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r.Get("/{chapter}/verses", s.bookH.GetChapterVerses)
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r.Get("/{chapter}/{verse}", s.bookH.GetVerse)
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})
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}
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// --- Volume-based prose book ---
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// KB: 2 volumes, chapters within each volume
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r.Route("/kb", func(r chi.Router) {
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r.Use(injectBookCode("kb"))
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r.Get("/", s.bookH.GetBook)
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r.Get("/{volume}", s.bookH.ListVolumeChapters)
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r.Get("/{volume}/{slug}", s.bookH.GetVolumeChapter)
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})
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// --- Simple prose books ---
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// BBD, BK, CBHC, DS, EJ, EK, GG, HKH, LCL, LOB, MG, MOG, NOD,
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// OCHKM, OWK, PK, POY, PQPA, RV, SSR, SVA, TLC, TLK, TQK, TTP, VA
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for _, code := range []string{
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"bbd", "bk", "cbhc", "ds", "ej", "ek", "gg", "hkh",
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"lcl", "lob", "mg", "mog", "nod", "ochkm", "owk", "pk",
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"poy", "pqpa", "rv", "ssr", "sva", "tlc", "tlk", "tqk",
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"ttp", "va",
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} {
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code := code
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r.Route("/"+code, func(r chi.Router) {
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r.Use(injectBookCode(code))
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r.Get("/", s.bookH.GetBook)
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r.Get("/{slug}", s.bookH.GetProseChapter)
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r.Get("/chapters", s.bookH.ListProseChapters)
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r.Get("/chapters/{slug}", s.bookH.GetProseChapter)
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})
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}
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})
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// Letters
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r.Route("/letters", func(r chi.Router) {
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r.Get("/", s.letterH.Count)
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r.Get("/years", s.letterH.GetYears)
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r.Get("/recipients", s.letterH.GetRecipients)
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r.Get("/locations", s.letterH.GetLocations)
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r.Get("/year/{year}", s.letterH.GetByYear)
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r.Get("/recipient/{name}", s.letterH.GetByRecipient)
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r.Get("/location/{name}", s.letterH.GetByLocation)
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r.Get("/{slug}", s.letterH.GetBySlug)
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})
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// Essays
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r.Route("/essays", func(r chi.Router) {
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r.Get("/", s.essayH.List)
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r.Get("/{slug}", s.essayH.GetBySlug)
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})
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// Glossary
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r.Route("/glossary", func(r chi.Router) {
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r.Get("/", s.glossaryH.List)
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r.Get("/letters", s.glossaryH.GetLetterCounts)
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r.Get("/letter/{letter}", s.glossaryH.GetByLetter)
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r.Get("/letter/{letter}/terms", s.glossaryH.GetTermsByLetter)
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r.Get("/term/{term}", s.glossaryH.GetByTerm)
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})
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// Disciples
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r.Route("/disciples", func(r chi.Router) {
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r.Get("/", s.discipleH.List)
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r.Get("/count", s.discipleH.Count)
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r.Get("/letters", s.discipleH.LetterCounts)
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r.Get("/suffixes", s.discipleH.SuffixCounts)
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r.Get("/search", s.discipleH.Search)
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})
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// Journals
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r.Route("/journals", func(r chi.Router) {
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r.Get("/", s.journalH.ListJournals)
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r.Get("/{book}", s.journalH.GetJournal)
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r.Get("/{book}/chapters", s.journalH.ListChapters)
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r.Get("/{book}/chapters/{slug}", s.journalH.GetChapter)
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})
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// Magazines
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r.Route("/magazines", func(r chi.Router) {
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r.Get("/", s.magazineH.ListMagazines)
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r.Get("/{book}", s.magazineH.GetMagazine)
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r.Get("/{book}/issues", s.magazineH.ListIssues)
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r.Get("/{book}/issues/{slug}", s.magazineH.GetIssue)
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})
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// Other Documents
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r.Route("/other-documents", func(r chi.Router) {
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r.Get("/", s.otherDocH.ListDocuments)
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r.Get("/{book}", s.otherDocH.GetDocument)
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r.Get("/{book}/chapters", s.otherDocH.ListChapters)
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r.Get("/{book}/chapters/{slug}", s.otherDocH.GetChapter)
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})
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// Transcriptions
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r.Route("/transcriptions", func(r chi.Router) {
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r.Get("/", s.transcriptionH.Count)
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r.Get("/years", s.transcriptionH.GetYears)
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r.Get("/places", s.transcriptionH.GetPlaces)
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r.Get("/types", s.transcriptionH.GetTypeDistribution)
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r.Get("/year/{year}", s.transcriptionH.GetByYear)
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r.Get("/place/{place}", s.transcriptionH.GetByPlace)
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r.Get("/type/{type}", s.transcriptionH.GetByType)
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r.Get("/adjacent/{slug}", s.transcriptionH.GetAdjacent)
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r.Get("/{slug}", s.transcriptionH.GetBySlug)
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})
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// Search (Meilisearch)
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r.Route("/search", func(r chi.Router) {
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// TODO: register search handlers
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})
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// User routes (PostgreSQL)
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r.Route("/auth", func(r chi.Router) {
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// TODO: register auth handlers (login, register, refresh)
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})
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r.Route("/users", func(r chi.Router) {
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// TODO: register user handlers
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})
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r.Route("/collections", func(r chi.Router) {
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// TODO: register collection/bookmark handlers
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})
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r.Route("/mentions", func(r chi.Router) {
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// TODO: register mention handlers
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})
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// URL Shortener
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r.Route("/s", func(r chi.Router) {
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// TODO: register URL shortener handlers
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})
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// Push Notifications
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r.Route("/notifications", func(r chi.Router) {
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// TODO: register push notification handlers
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})
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})
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s.router = r
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}
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