git.roojs.org Git - roobuilder/blob - src/Resources.vala

   1 /**
   2  * Resources
   3  *
   4  * Idea is to manage resourse used by the app.
   5  *
   6  * The original code downloaded all the resources before it renders the main window
   7  *
   8  * This is a bit annoying as although they do change quite a bit, it's not on every app start
   9  *
  10  * So the Resource fetching behaviour should be a button on the File view page
  11  * That starts the refresh of the resources.
  12  *
  13  * I'm not quite sure how we should flow this - if we do them all at once.. might be a bit of a server
  14  * overload... so sequentially may be best...
  15 */
  16
  17 public class ResourcesItem : Object {
  18         public string target;
  19         public string src;
  20         public string new_sha;
  21         public string cur_sha;
  22         public ResourcesItem(string src, string target, string new_sha)
  23         {
  24                 this.target = target;
  25                 this.src = src;
  26                 this.new_sha = new_sha;
  27                 this.cur_sha = "";
  28                 this.update_cur_sha();
  29                 print("New ResourcesItem %s (%s) => (%s) %s\n", target , this.cur_sha , new_sha, src);
  30         }
  31         public void update_cur_sha()
  32         {
  33                 if (this.target.contains("*")) {
  34                         return;
  35                 }
  36                 var tfn = BuilderApplication.configDirectory() + "/resources/" + this.target;
  37                 if (!GLib.FileUtils.test (tfn, FileTest.IS_REGULAR)) {
  38                         return;
  39                 }
  40                 uint8[] data;
  41                 uint8[] zero = { 0 };
  42                 GLib.FileUtils.get_data(tfn, out data);
  43
  44                 var  file = File.new_for_path (tfn);
  45
  46                 var info = file.query_info(
  47                                  "standard::*",
  48                                 FileQueryInfoFlags.NONE
  49                 );
  50                 var csdata = new GLib.ByteArray.take("blob %s".printf(info.get_size().to_string()).data);
  51                 csdata.append(zero);
  52                 csdata.append(data);
  53
  54                 // git method... blob %d\0...string...
  55                 this.cur_sha = GLib.Checksum.compute_for_data(GLib.ChecksumType.SHA1, csdata.data       );
  56         }
  57
  58 }
  59
  60
  61 public class Resources : Object
  62 {
  63
  64      public signal void updateProgress(uint cur_pos, uint total);
  65
  66      static Resources singleton_val;
  67
  68
  69      Gee.ArrayList<ResourcesItem> fetch_files;
  70
  71      public static Resources singleton()
  72      {
  73         if (singleton_val == null) {
  74             singleton_val = new Resources();
  75             singleton_val.ref();
  76         }
  77         return singleton_val;
  78
  79      }
  80          public Resources ()
  81          {
  82                 this.initFiles();
  83         }
  84
  85
  86         public void initFiles()
  87         {
  88                 string[] avail_files = {
  89                         "roodata.json",
  90                         "flutter_tree.json",
  91                         "*",
  92                         "Editors/*.js",
  93                         "vapi/*"
  94
  95                 };
  96                 this.fetch_files = new Gee.ArrayList<ResourcesItem>();
  97                 for (var i=0;i < avail_files.length; i++) {
  98                         var target = avail_files[i];
  99                         var src = "https://raw.githubusercontent.com/roojs/roobuilder/master/resources/" + target;
 100
 101                         if (target == "roodata.json") {
 102                                 src = "https://raw.githubusercontent.com/roojs/roojs1/master/docs/json/roodata.json";
 103                         }
 104                         if (target == "flutter_tree.json") {
 105                                 src = "https://raw.githubusercontent.com/roojs/flutter-docs-json/master/tree.json";
 106                         }
 107
 108                         if (target.contains("*")) {
 109                                 var split = target.split("*");
 110
 111                                 src = "https://api.github.com/repos/roojs/roobuilder/contents/resources/" + split[0];
 112                                 if (split[0] == "vapi/") {
 113                                         src = "https://api.github.com/repos/roojs/roobuilder/contents/src/vapi";
 114
 115                                 }
 116
 117                         }
 118
 119                         this.fetch_files.add(new ResourcesItem(src,target, ""));
 120                 }
 121
 122         }
 123
 124
 125      int fetch_pos = 0;
 126      public void fetchStart()
 127      {
 128             this.initFiles();
 129             if (this.fetch_pos > 0) { // only fetch one at a time...
 130                 return;
 131             }
 132             this.fetch_pos =0;
 133             this.fetchNext();
 134
 135      }
 136      public void fetchNext()
 137     {
 138         var cur = this.fetch_pos;
 139         this.fetch_pos++;
 140         this.updateProgress(this.fetch_pos, this.fetch_files.size); // min=0;
 141
 142
 143         if (this.fetch_pos > this.fetch_files.size) {
 144                          this.updateProgress(0,0);
 145                      this.fetch_pos = 0;
 146                      return;
 147
 148                 }
 149
 150                 this.fetchResourceFrom ( this.fetch_files.get(cur) );
 151
 152
 153          }
 154          /**
 155           *  called on start to check we have all the required files..
 156           */
 157          public void checkResources()
 158          {
 159                 bool needsload = false;
 160
 161                 // this has to check the required files, not the list...
 162                 string[] required =  {
 163                         "bootstrap.builder.html",
 164                         "Gir.overides",
 165                         "GtkUsage.txt",
 166                         "mailer.builder.html",
 167                         "roo.builder.html",
 168                         "roo.builder.js",
 169                         "roodata.json",
 170                         "RooUsage.txt"
 171                 };
 172
 173                 for (var i = 0; i <  required.length; i++ ) {
 174
 175                         if (!FileUtils.test(
 176                                 BuilderApplication.configDirectory() + "/resources/"  + required[i],
 177                                 FileTest.EXISTS
 178                                 )) {
 179                                 needsload = true;
 180                         }
 181                 }
 182                 if (!needsload) {
 183                         return;
 184                 }
 185                 this.fetchStart();
 186          }
 187
 188         public void parseDirectory(string json, string target)
 189         {
 190                 print("%s\n", json);
 191                 var pa = new Json.Parser();
 192                 pa.load_from_data(json);
 193                 var node = pa.get_root();
 194                 if (node.get_node_type () != Json.NodeType.ARRAY) {
 195                         return;
 196                         //throw new Error.INVALID_FORMAT ("Unexpected element type %s", node.type_name ());
 197                 }
 198
 199                 var split = target.split("*");
 200                 var ar = node.get_array ();
 201                 for(var i = 0; i < ar.get_length(); i++) {
 202                         var ob = ar.get_object_element(i);
 203                         var n = ob.get_string_member("name");
 204                         if (ob.get_string_member("type") == "dir") {
 205                                 continue;
 206                         }
 207                         if (split.length > 1 && !n.has_suffix(split[1])) {
 208                                 // not needed..
 209                                 continue;
 210                         }
 211                         if (this.files_has_target(split[0] + n)) {
 212                                 continue;
 213                         }
 214
 215
 216
 217                         var src = ob.get_string_member("download_url");
 218                                         // "https://raw.githubusercontent.com/roojs/app.Builder.js/master/resources/" + split[0] + n;
 219                         var add = new ResourcesItem(src, split[0] + n, ob.get_string_member("sha") );
 220                         //add.new_sha = ob.get_string_member("sha");
 221                         this.fetch_files.add(add);
 222
 223                 }
 224         }
 225         public bool files_has_target(string target)
 226         {
 227                 for (var i = 0; i <  this.fetch_files.size; i++ ) {
 228                         if (this.fetch_files.get(i).target == target) {
 229                                 return true;
 230                         }
 231                 }
 232                 return false;
 233
 234         }
 235
 236
 237
 238
 239     public void fetchResourceFrom(ResourcesItem item)
 240     {
 241                 if (item.new_sha != "" && item.new_sha == item.cur_sha) {
 242                         this.fetchNext();
 243                         return;
 244                 }
 245
 246                 // fetch...
 247                 print("downloading %s \nto : %s\n", item.src,item.target);
 248                 var session = new Soup.Session ();
 249                 session.user_agent = "App Builder ";
 250             var message = new Soup.Message ("GET",  item.src );
 251         session.queue_message (message, (sess, mess) => {
 252
 253                         if (item.target.contains("*")) {
 254                                 // then it's a directory listing in JSON, and we need to add any new items to our list..
 255                                 // it's used to fetch Editors (and maybe other stuff..)
 256                                 this.parseDirectory((string) message.response_body.data,item.target );
 257                                 this.fetchNext();
 258                                 return;
 259                         }
 260
 261
 262                         var tfn = BuilderApplication.configDirectory() + "/resources/" + item.target;
 263
 264
 265                         // create parent directory if needed
 266                         if (!GLib.FileUtils.test (GLib.Path.get_dirname(tfn), FileTest.IS_DIR)) {
 267                                 var f =  GLib.File.new_for_path(GLib.Path.get_dirname(tfn));
 268                                 f.make_directory_with_parents ();
 269                         }
 270
 271
 272
 273
 274                         // set data??? - if it's binary?
 275             FileUtils.set_contents(  tfn, (string) message.response_body.data );
 276
 277             switch (item.target) {
 278                                 case "Gir.overides":
 279                                         // clear all the project caches....
 280                                         foreach(var p in Project.Project.allProjectsByName()) {
 281                                                 if (p is Project.Gtk) {
 282                                                         ((Project.Gtk)p).gir_cache = new Gee.HashMap<string,Palete.Gir>();
 283                                                 }
 284                                         }
 285
 286                                         break;
 287
 288                                 case "GtkUsage.txt":
 289                                 foreach(var p in Project.Project.allProjectsByName()) {
 290                                                 if (p is Project.Gtk) {
 291                                                         p.palete = new Palete.Gtk(p);
 292                                                         //p.palete.load();
 293                                                 }
 294                                         }
 295
 296                                         break;
 297
 298                                 case "roodata.json":
 299                                         foreach(var p in Project.Project.allProjectsByName()) {
 300                                                 if (p is Project.Roo) {
 301                                                         p.palete = new Palete.Roo(p);
 302                                                         //p.palete.load();
 303                                                 }
 304                                         }
 305                                         break;
 306
 307                                 default:
 308                                         break;
 309                         }
 310
 311
 312
 313
 314
 315
 316             this.fetchNext();
 317
 318         });
 319
 320
 321     }
 322 }