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Using the Google Apps Script Cache Service for objects above 100Kb
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function ChunkyCache(cache, chunkSize){ | |
return { | |
put: function (key, value, timeout) { | |
var json = JSON.stringify(value); | |
var cSize = Math.floor(chunkSize / 2); | |
var chunks = []; | |
var index = 0; | |
while (index < json.length){ | |
cKey = key + "_" + index; | |
chunks.push(cKey); | |
cache.put(cKey, json.substr(index, cSize), timeout+5); | |
index += cSize; | |
} | |
var superBlk = { | |
chunkSize: chunkSize, | |
chunks: chunks, | |
length: json.length | |
}; | |
cache.put(key, JSON.stringify(superBlk), timeout); | |
}, | |
get: function (key) { | |
var superBlkCache = cache.get(key); | |
if (superBlkCache != null) { | |
var superBlk = JSON.parse(superBlkCache); | |
chunks = superBlk.chunks.map(function (cKey){ | |
return cache.get(cKey); | |
}); | |
if (chunks.every(function (c) { return c != null; })){ | |
return JSON.parse(chunks.join('')); | |
} | |
} | |
} | |
}; | |
}; | |
function testGetCacheFrom(){ | |
var sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName('Data'); | |
var data = sheet.getDataRange().getValues(); | |
var chunky = ChunkyCache(CacheService.getDocumentCache(), 1024*90); | |
chunky.put('Data', data, 120); | |
var check = chunky.get('Data'); | |
var sheetPut = SpreadsheetApp.getActiveSpreadsheet().getSheetByName('Out'); | |
for (c in check) { | |
sheetPut.appendRow(check[c]); | |
} | |
} |
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