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workspaceparam.go
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/
workspaceparam.go
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package httpmw
import (
"context"
"database/sql"
"errors"
"fmt"
"net/http"
"github.com/coder/coder/coderd/database"
"github.com/coder/coder/coderd/httpapi"
)
type workspaceParamContextKey struct{}
// WorkspaceParam returns the workspace from the ExtractWorkspaceParam handler.
func WorkspaceParam(r *http.Request) database.Workspace {
workspace, ok := r.Context().Value(workspaceParamContextKey{}).(database.Workspace)
if !ok {
panic("developer error: workspace param middleware not provided")
}
return workspace
}
// ExtractWorkspaceParam grabs a workspace from the "workspace" URL parameter.
func ExtractWorkspaceParam(db database.Store) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
workspaceID, parsed := parseUUID(rw, r, "workspace")
if !parsed {
return
}
workspace, err := db.GetWorkspaceByID(r.Context(), workspaceID)
if errors.Is(err, sql.ErrNoRows) {
httpapi.Write(rw, http.StatusNotFound, httpapi.Response{
Message: fmt.Sprintf("Workspace %q does not exist.", workspaceID),
})
return
}
if err != nil {
httpapi.Write(rw, http.StatusInternalServerError, httpapi.Response{
Message: "Internal error fetching workspace.",
Detail: err.Error(),
})
return
}
ctx := context.WithValue(r.Context(), workspaceParamContextKey{}, workspace)
next.ServeHTTP(rw, r.WithContext(ctx))
})
}
}