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var walk = require('walk');
var fs = require('fs');
var path = require('path');
var walker;
var watcher;
var configuration;
var files = [];
exports.start = function(config) {
configuration = config;
watcher = require('watch-tree').watchTree(configuration.dir, {'sample-rate': 5});
watcher.on('fileDeleted', exports.rebuildFiles);
watcher.on('fileCreated', exports.rebuildFiles);
watcher.on('fileModified', exports.rebuildFiles);
exports.rebuildFiles();
};
exports.rebuildFiles = function() {
walker = walk.walk(configuration.dir, { followLinks: false });
walker.on("directories", function (root, dirAr, next) {
var lastDir = path.join(__dirname, root).split('/');
if((lastDir.length - __dirname.split('/').length) < 2) {
dirAr.forEach(function(dir) {
files[dir.name] = { name: dir.name, template:
path.join(configuration.defaultSlides,
configuration.template) , slides: []};
});
}
next();
}).on("file", function(root, fileStats, next) {
if(fileStats.name == configuration.description || fileStats.name == configuration.events) {
next();
}
else if(fileStats.name == configuration.template) {
var lastDir = root.split('/');
files[lastDir[lastDir.length - 1]]['template'] = path.join(lastDir[lastDir.length - 1], fileStats.name);
next();
} else {
var lastDir = path.join(root).split('/');
if(files.hasOwnProperty(lastDir[lastDir.length - 1])) {
var ext = path.extname(fileStats);
var type = 'image';
switch (ext) {
case '.mp4':
case '.avi':
case '.ogv':
case '.mkv':
type = 'video';
break;
}
files[lastDir[lastDir.length - 1]]['slides'].push({ type: type, file: path.join(lastDir[lastDir.length - 1], fileStats.name), head: '', text: ''});
}
next();
}
}).on("errors", function(root, nodeStatsArray, next) {
next();
}).on("end", function() {
for(var slideset in files) {
if(!files.hasOwnProperty(slideset)) { continue; }
try {
var data = fs.readFileSync(path.join(__dirname, configuration.dir, slideset, configuration.description));
} catch(e) {
console.log(e.toString());
}
var descs = JSON.parse(data.toString());
for(var file in files[slideset]['slides']) {
if(!files[slideset]['slides'].hasOwnProperty(file)) { continue; }
if(!files[slideset]['slides'][file].hasOwnProperty('file')) { continue; }
for(var desc in descs) {
if(!descs.hasOwnProperty(desc)) { continue; }
var comp = files[slideset]['slides'][file]['file'].split('/');
if(descs[desc]['file'] == comp[comp.length - 1]) {
files[slideset]['slides'][file]['head'] = descs[desc]['head'];
files[slideset]['slides'][file]['text'] = descs[desc]['text'];
}
}
}
try {
data = fs.readFileSync(path.join(__dirname, configuration.dir, 'default', configuration.events));
} catch(e) {
console.log(e.toString());
}
files[slideset]['events'] = JSON.parse(data.toString());
}
});
};
exports.getSlides = function(slideset, cb) {
for (var searchset in files) {
if(!files.hasOwnProperty(searchset)) { continue; }
if(files[searchset].name == slideset) {
cb(null, files[searchset]);
}
}
};
exports.getAllSlides = function(cb) {
var slidesets = [];
for(var slideset in files) {
if(!files.hasOwnProperty(slideset)) { continue; }
slidesets.push(files[slideset].name);
}
cb(slidesets);
};
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