Unified · Split
| @@ -60,13 +60,14 @@ class app.DB · 59 unmodified lines | ||
| 60 | 60 | return |
| 61 | 61 | |
| 62 | 62 | store: (doc, data, onSuccess, onError) -> |
| 63 | − @db (db) -> | |
| 63 | + @db (db) => | |
| 64 | 64 | unless db |
| 65 | 65 | onError() |
| 66 | 66 | return |
| 67 | 67 | |
| 68 | 68 | txn = db.transaction ['docs', doc.slug], 'readwrite' |
| 69 | − txn.oncomplete = -> | |
| 69 | + txn.oncomplete = => | |
| 70 | + @cachedDocs?[doc.slug] = doc.mtime | |
| 70 | 71 | if txn.error then onError() else onSuccess() |
| 71 | 72 | return |
| 72 | 73 | |
| @@ -80,13 +81,14 @@ class app.DB · 7 unmodified lines | ||
| 80 | 81 | return |
| 81 | 82 | |
| 82 | 83 | unstore: (doc, onSuccess, onError) -> |
| 83 | − @db (db) -> | |
| 84 | + @db (db) => | |
| 84 | 85 | unless db |
| 85 | 86 | onError() |
| 86 | 87 | return |
| 87 | 88 | |
| 88 | 89 | txn = db.transaction ['docs', doc.slug], 'readwrite' |
| 89 | − txn.oncomplete = -> | |
| 90 | + txn.oncomplete = => | |
| 91 | + delete @cachedDocs?[doc.slug] | |
| 90 | 92 | if txn.error then onError() else onSuccess() |
| 91 | 93 | return |
| 92 | 94 | |
| @@ -99,6 +101,10 @@ class app.DB · 6 unmodified lines | ||
| 99 | 101 | return |
| 100 | 102 | |
| 101 | 103 | version: (doc, fn) -> |
| 104 | + if (version = @cachedVersion(doc))? | |
| 105 | + fn(version) | |
| 106 | + return | |
| 107 | + | |
| 102 | 108 | @db (db) -> |
| 103 | 109 | unless db |
| 104 | 110 | fn(false) |
| @@ -113,7 +119,15 @@ class app.DB · 8 unmodified lines | ||
| 113 | 119 | return |
| 114 | 120 | return |
| 115 | 121 | |
| 122 | + cachedVersion: (doc) -> | |
| 123 | + return unless @cachedDocs | |
| 124 | + @cachedDocs[doc.slug] or false | |
| 125 | + | |
| 116 | 126 | versions: (docs, fn) -> |
| 127 | + if versions = @cachedVersions(docs) | |
| 128 | + fn(versions) | |
| 129 | + return | |
| 130 | + | |
| 117 | 131 | @db (db) -> |
| 118 | 132 | unless db |
| 119 | 133 | fn(false) |
| @@ -131,8 +145,14 @@ class app.DB · 11 unmodified lines | ||
| 131 | 145 | return |
| 132 | 146 | return |
| 133 | 147 | |
| 148 | + cachedVersions: (docs) -> | |
| 149 | + return unless @cachedDocs | |
| 150 | + result = {} | |
| 151 | + result[doc.slug] = @cachedVersion(doc) for doc in docs | |
| 152 | + result | |
| 153 | + | |
| 134 | 154 | load: (entry, onSuccess, onError) -> |
| 135 | − if @useIndexedDB | |
| 155 | + if @shouldLoadWithIDB(entry) | |
| 136 | 156 | onError = @loadWithXHR.bind(@, entry, onSuccess, onError) |
| 137 | 157 | @loadWithIDB entry, onSuccess, onError |
| 138 | 158 | else |
| @@ -146,7 +166,7 @@ class app.DB · 7 unmodified lines | ||
| 146 | 166 | error: onError |
| 147 | 167 | |
| 148 | 168 | loadWithIDB: (entry, onSuccess, onError) -> |
| 149 | − @db (db) -> | |
| 169 | + @db (db) => | |
| 150 | 170 | unless db |
| 151 | 171 | onError() |
| 152 | 172 | return |
| @@ -157,8 +177,25 @@ class app.DB · 4 unmodified lines | ||
| 157 | 177 | req = store.get(entry.path) |
| 158 | 178 | req.onsuccess = -> if req.result then onSuccess(req.result) else onError() |
| 159 | 179 | req.onerror = onError |
| 180 | + @loadDocsCache(db) unless @cachedDocs | |
| 181 | + return | |
| 182 | + | |
| 183 | + loadDocsCache: (db) -> | |
| 184 | + @cachedDocs = {} | |
| 185 | + | |
| 186 | + txn = db.transaction ['docs'], 'readonly' | |
| 187 | + store = txn.objectStore('docs') | |
| 188 | + | |
| 189 | + req = store.openCursor() | |
| 190 | + req.onsuccess = (event) => | |
| 191 | + return unless cursor = event.target.result | |
| 192 | + @cachedDocs[cursor.key] = cursor.value | |
| 193 | + cursor.continue() | |
| 194 | + return | |
| 195 | + return | |
| 160 | 196 | |
| 161 | − txn | |
| 197 | + shouldLoadWithIDB: (entry) -> | |
| 198 | + @useIndexedDB and (not @cachedDocs or @cachedDocs[entry.doc.slug]) | |
| 162 | 199 | |
| 163 | 200 | reset: -> |
| 164 | 201 | try indexedDB?.deleteDatabase(NAME) catch |