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now nested indexes are skipped...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2016-05-12 07:56:16 +03:00
parent 6eb8701145
commit 515863f94e
1 changed files with 58 additions and 39 deletions
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97
ui (gen4)/file.js
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@ -46,6 +46,31 @@ var INDEX_DIR = '.ImageGrid'
/*********************************************************************/
// helpers...
var skipNested = function(paths, index_dir, logger){
paths = paths
.map(function(p){ return p.split(index_dir).shift() })
.sort(function(a, b){ return a.length - b.length })
for(var i=0; i < paths.length; i++){
var p = paths[i]
if(p == null){
continue
}
for(var j=i+1; j < paths.length; j++){
var o = paths[j].split(p)
if(o[0] == '' && o.length > 1){
logger && logger.emit('skipping', paths[j])
delete paths[j]
}
}
}
return paths
.filter(function(p){ return !!p })
}
// Guarantee that the 'end' and 'match' handlers will always get called
// with all results at least once...
//
@ -282,7 +307,7 @@ function(list, from_date, logger){
// XXX handle errors....
var loadSaveHistoryList =
module.loadSaveHistoryList =
function(path, index_dir){
function(path, index_dir, logger){
index_dir = index_dir || INDEX_DIR
return new Promise(function(resolve, reject){
@ -310,7 +335,6 @@ function(path, index_dir){
// need to locate indexes...
} else {
var res = {}
var loaders = []
// XXX handle 'error' event...
listIndexes(path, index_dir)
@ -319,23 +343,23 @@ function(path, index_dir){
logger && logger.emit('error', err)
console.error(err)
})
// collect the found indexes...
.on('match', function(path){
loaders.push(loadSaveHistoryList(path)
.then(function(obj){
// NOTE: considering that all the paths within
// the index are relative to the preview
// dir (the parent dir to the index root)
// we do not need to include the index
// itself in the base path...
var p = path.split(index_dir)[0]
res[p] = obj
}))
})
// done...
.on('end', function(paths){
// wait for all the loaders to complete...
Promise.all(loaders).then(function(){ resolve(res) })
// skip nested indexes...
paths = skipNested(paths, index_dir, logger)
// start loading...
Promise.all(paths.map(function(p){
var path = pathlib.normalize(p +'/'+ index_dir)
return loadSaveHistoryList(path, index_dir)
.then(function(obj){
// NOTE: considering that all the paths within
// the index are relative to the preview
// dir (the parent dir to the index root)
// we do not need to include the index
// itself in the base path...
res[p] = obj
})
})).then(function(){ resolve(res) })
})
}
})
@ -538,7 +562,6 @@ function(path, index_dir, from_date, logger){
// no explicit index given -- find all in sub tree...
} else {
var res = {}
var loaders = []
listIndexes(path, index_dir)
// XXX handle errors...
@ -546,27 +569,23 @@ function(path, index_dir, from_date, logger){
logger && logger.emit('error', err)
console.error(err)
})
// collect the found indexes...
.on('match', function(path){
// XXX after finding an index, need to prevent loading of
// any indexes in that sub tree...
// shortest unique path blocks all children.
// XXX
loaders.push(loadIndex(path, index_dir, from_date, logger)
.then(function(obj){
// NOTE: considering that all the paths within
// the index are relative to the preview
// dir (the parent dir to the index root)
// we do not need to include the index
// itself in the base path...
var p = path.split(index_dir)[0]
res[p] = obj[path]
}))
})
// done...
.on('end', function(paths){
// wait for all the loaders to complete...
Promise.all(loaders).then(function(){ resolve(res) })
// skip nested indexes...
paths = skipNested(paths, index_dir, logger)
// start loading...
Promise.all(paths.map(function(p){
var path = pathlib.normalize(p +'/'+ index_dir)
return loadIndex(path, index_dir, from_date, logger)
.then(function(obj){
// NOTE: considering that all the paths within
// the index are relative to the preview
// dir (the parent dir to the index root)
// we do not need to include the index
// itself in the base path...
res[p] = obj[path]
})
})).then(function(){ resolve(res) })
})
}
})