109 lines
3.3 KiB
Go
109 lines
3.3 KiB
Go
// monorepo/cloud/backend/internal/maplefile/interface/http/collection/create.go
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package collection
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import (
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"bytes"
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"context"
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"encoding/json"
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"io"
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"net/http"
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"go.uber.org/zap"
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"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
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"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/interface/http/middleware"
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svc_collection "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/service/collection"
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"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
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)
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type CreateCollectionHTTPHandler struct {
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config *config.Configuration
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logger *zap.Logger
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service svc_collection.CreateCollectionService
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middleware middleware.Middleware
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}
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func NewCreateCollectionHTTPHandler(
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config *config.Configuration,
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logger *zap.Logger,
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service svc_collection.CreateCollectionService,
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middleware middleware.Middleware,
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) *CreateCollectionHTTPHandler {
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logger = logger.Named("CreateCollectionHTTPHandler")
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return &CreateCollectionHTTPHandler{
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config: config,
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logger: logger,
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service: service,
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middleware: middleware,
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}
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}
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func (*CreateCollectionHTTPHandler) Pattern() string {
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return "POST /api/v1/collections"
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}
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func (h *CreateCollectionHTTPHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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// Apply middleware before handling the request
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h.middleware.Attach(h.Execute)(w, req)
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}
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func (h *CreateCollectionHTTPHandler) unmarshalRequest(
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ctx context.Context,
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r *http.Request,
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) (*svc_collection.CreateCollectionRequestDTO, error) {
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// Initialize our structure which will store the parsed request data
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var requestData svc_collection.CreateCollectionRequestDTO
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defer r.Body.Close()
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var rawJSON bytes.Buffer
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teeReader := io.TeeReader(r.Body, &rawJSON) // TeeReader allows you to read the JSON and capture it
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// Read the JSON string and convert it into our golang struct
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err := json.NewDecoder(teeReader).Decode(&requestData)
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if err != nil {
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h.logger.Error("Failed to decode create collection request",
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zap.Error(err),
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zap.String("json", rawJSON.String()),
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)
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return nil, httperror.NewBadRequestError("Invalid request payload. Please check your collection data.")
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}
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return &requestData, nil
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}
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func (h *CreateCollectionHTTPHandler) Execute(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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req, err := h.unmarshalRequest(ctx, r)
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if err != nil {
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h.logger.Error("Failed to unmarshal create collection request", zap.Error(err))
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httperror.RespondWithError(w, r, err)
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return
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}
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resp, err := h.service.Execute(ctx, req)
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if err != nil {
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h.logger.Error("Failed to create collection", zap.Error(err))
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// Service returns RFC 9457 errors, use RespondWithError to handle them
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httperror.RespondWithError(w, r, err)
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return
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}
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if resp == nil {
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h.logger.Error("No collection returned from service")
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problem := httperror.NewInternalServerError("Failed to create collection. Please try again.").
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WithInstance(r.URL.Path).
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WithTraceID(httperror.ExtractRequestID(r))
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httperror.RespondWithProblem(w, problem)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusCreated)
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if err := json.NewEncoder(w).Encode(resp); err != nil {
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h.logger.Error("Failed to encode collection response", zap.Error(err))
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// At this point headers are already sent, log the error but can't send RFC 9457 response
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return
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}
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}
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