| 1 | package admin |
| 2 | |
| 3 | import ( |
| 4 | "database/sql" |
| 5 | "encoding/json" |
| 6 | "errors" |
| 7 | "fmt" |
| 8 | "log" |
| 9 | "net/http" |
| 10 | "strconv" |
| 11 | "strings" |
| 12 | "time" |
| 13 | |
| 14 | "example.com/curator/internal/store" |
| 15 | ) |
| 16 | |
| 17 | // APIHandler serves the REST API for module management. |
| 18 | type APIHandler struct { |
| 19 | store *store.Store |
| 20 | } |
| 21 | |
| 22 | // NewAPI creates a new API handler. |
| 23 | func NewAPI(st *store.Store) *APIHandler { |
| 24 | return &APIHandler{store: st} |
| 25 | } |
| 26 | |
| 27 | // ServeHTTP routes API requests. |
| 28 | func (h *APIHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { |
| 29 | path := strings.TrimPrefix(r.URL.Path, "/-/api") |
| 30 | |
| 31 | switch { |
| 32 | case path == "/modules" && r.Method == http.MethodGet: |
| 33 | h.listModules(w, r) |
| 34 | case path == "/modules" && r.Method == http.MethodPost: |
| 35 | h.addModule(w, r) |
| 36 | case strings.HasPrefix(path, "/modules/") && r.Method == http.MethodDelete: |
| 37 | name := strings.TrimPrefix(path, "/modules/") |
| 38 | h.deleteModule(w, r, name) |
| 39 | case path == "/patterns" && r.Method == http.MethodGet: |
| 40 | h.listPatterns(w, r) |
| 41 | case path == "/patterns" && r.Method == http.MethodPost: |
| 42 | h.addPattern(w, r) |
| 43 | case strings.HasPrefix(path, "/patterns/") && r.Method == http.MethodDelete: |
| 44 | idStr := strings.TrimPrefix(path, "/patterns/") |
| 45 | h.deletePattern(w, r, idStr) |
| 46 | default: |
| 47 | writeJSON(w, http.StatusNotFound, map[string]string{"error": "not found"}) |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | func (h *APIHandler) listModules(w http.ResponseWriter, r *http.Request) { |
| 52 | modules, err := h.store.ListModules() |
| 53 | if err != nil { |
| 54 | writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()}) |
| 55 | return |
| 56 | } |
| 57 | if modules == nil { |
| 58 | modules = []store.ModuleRow{} |
| 59 | } |
| 60 | writeJSON(w, http.StatusOK, modules) |
| 61 | } |
| 62 | |
| 63 | func (h *APIHandler) addModule(w http.ResponseWriter, r *http.Request) { |
| 64 | var m store.ModuleRow |
| 65 | if err := json.NewDecoder(r.Body).Decode(&m); err != nil { |
| 66 | writeJSON(w, http.StatusBadRequest, map[string]string{"error": "invalid JSON"}) |
| 67 | return |
| 68 | } |
| 69 | |
| 70 | if m.Name == "" || m.Repo == "" { |
| 71 | writeJSON(w, http.StatusUnprocessableEntity, map[string]string{"error": "name and repo are required"}) |
| 72 | return |
| 73 | } |
| 74 | |
| 75 | if m.VCS == "" { |
| 76 | m.VCS = "git" |
| 77 | } |
| 78 | |
| 79 | // Verify the repository. |
| 80 | if err := store.VerifyModule(m.Repo, 10*time.Second); err != nil { |
| 81 | log.Printf("api: verify module %s: %v", m.Name, err) |
| 82 | writeJSON(w, http.StatusUnprocessableEntity, map[string]string{ |
| 83 | "error": fmt.Sprintf("repository verification failed: %v", err), |
| 84 | }) |
| 85 | return |
| 86 | } |
| 87 | |
| 88 | if err := h.store.AddModule(m); err != nil { |
| 89 | code := http.StatusInternalServerError |
| 90 | if strings.Contains(err.Error(), "UNIQUE constraint") { |
| 91 | code = http.StatusConflict |
| 92 | } |
| 93 | writeJSON(w, code, map[string]string{"error": err.Error()}) |
| 94 | return |
| 95 | } |
| 96 | |
| 97 | writeJSON(w, http.StatusCreated, m) |
| 98 | } |
| 99 | |
| 100 | func (h *APIHandler) deleteModule(w http.ResponseWriter, r *http.Request, name string) { |
| 101 | if name == "" { |
| 102 | writeJSON(w, http.StatusBadRequest, map[string]string{"error": "name required"}) |
| 103 | return |
| 104 | } |
| 105 | |
| 106 | if err := h.store.DeleteModule(name); err != nil { |
| 107 | if errors.Is(err, sql.ErrNoRows) { |
| 108 | writeJSON(w, http.StatusNotFound, map[string]string{"error": "not found"}) |
| 109 | return |
| 110 | } |
| 111 | writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()}) |
| 112 | return |
| 113 | } |
| 114 | |
| 115 | w.WriteHeader(http.StatusNoContent) |
| 116 | } |
| 117 | |
| 118 | func (h *APIHandler) listPatterns(w http.ResponseWriter, r *http.Request) { |
| 119 | patterns, err := h.store.ListPatterns() |
| 120 | if err != nil { |
| 121 | writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()}) |
| 122 | return |
| 123 | } |
| 124 | if patterns == nil { |
| 125 | patterns = []store.PatternRow{} |
| 126 | } |
| 127 | writeJSON(w, http.StatusOK, patterns) |
| 128 | } |
| 129 | |
| 130 | func (h *APIHandler) addPattern(w http.ResponseWriter, r *http.Request) { |
| 131 | var p store.PatternRow |
| 132 | if err := json.NewDecoder(r.Body).Decode(&p); err != nil { |
| 133 | writeJSON(w, http.StatusBadRequest, map[string]string{"error": "invalid JSON"}) |
| 134 | return |
| 135 | } |
| 136 | |
| 137 | if p.Pattern == "" || p.Repo == "" { |
| 138 | writeJSON(w, http.StatusUnprocessableEntity, map[string]string{"error": "pattern and repo are required"}) |
| 139 | return |
| 140 | } |
| 141 | |
| 142 | if p.VCS == "" { |
| 143 | p.VCS = "git" |
| 144 | } |
| 145 | |
| 146 | if err := store.VerifyPattern(p.Pattern); err != nil { |
| 147 | writeJSON(w, http.StatusUnprocessableEntity, map[string]string{"error": err.Error()}) |
| 148 | return |
| 149 | } |
| 150 | |
| 151 | if err := h.store.AddPattern(p); err != nil { |
| 152 | code := http.StatusInternalServerError |
| 153 | if strings.Contains(err.Error(), "UNIQUE constraint") { |
| 154 | code = http.StatusConflict |
| 155 | } |
| 156 | writeJSON(w, code, map[string]string{"error": err.Error()}) |
| 157 | return |
| 158 | } |
| 159 | |
| 160 | writeJSON(w, http.StatusCreated, p) |
| 161 | } |
| 162 | |
| 163 | func (h *APIHandler) deletePattern(w http.ResponseWriter, r *http.Request, idStr string) { |
| 164 | id, err := strconv.ParseInt(idStr, 10, 64) |
| 165 | if err != nil { |
| 166 | writeJSON(w, http.StatusBadRequest, map[string]string{"error": "invalid ID"}) |
| 167 | return |
| 168 | } |
| 169 | |
| 170 | if err := h.store.DeletePattern(id); err != nil { |
| 171 | if errors.Is(err, sql.ErrNoRows) { |
| 172 | writeJSON(w, http.StatusNotFound, map[string]string{"error": "not found"}) |
| 173 | return |
| 174 | } |
| 175 | writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()}) |
| 176 | return |
| 177 | } |
| 178 | |
| 179 | w.WriteHeader(http.StatusNoContent) |
| 180 | } |
| 181 | |
| 182 | func writeJSON(w http.ResponseWriter, code int, v any) { |
| 183 | w.Header().Set("Content-Type", "application/json") |
| 184 | w.WriteHeader(code) |
| 185 | json.NewEncoder(w).Encode(v) |
| 186 | } |
| 187 | |