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file-manager.js
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file-manager.js
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var Promise = require("bluebird");
var UUIDGenerator = require("uid");
var path = require('path');
var fse = require("fs-extra");
var fs = require("fs");
var ResourceRepresentation = require("../chip-types/resource-representation.js");
/**
* Manages files
* @class
*/
var FileManager = new function() {
this.name = "files";
this.save_file = function(file, upload_path) {
if (!upload_path) {
upload_path = "./uploaded_files/";
}
var upload_path_abs = path.resolve(root_path(), "../" + upload_path);
if (!fs.existsSync(upload_path_abs)) {
fse.mkdirs(upload_path_abs, function(err) {
if (err) return console.error(err);
});
}
var newID = UUIDGenerator(10);
console.log("writing file data:", file.data);
var upload_path_with_sealious_name = upload_path_abs + "/" + newID;
fs.writeFile(upload_path_with_sealious_name, file.data, function (err,data) {
if (err) {
throw(err);
}
});
var file_database_entry = {
original_name: file.filename,
creation_context: file.context,
}
return Sealious.Dispatcher.datastore.insert("files", file_database_entry, {})
.then(function(){
return Promise.resolve(newID);
})
}
this.diff = function(dispatcher, file) {
}
this.get_list = function(dispatcher, owner) {
var query = {
"body.owner": owner
};
Sealious.Logger.info("List for owner '" + owner + "' has been created");
return this.find(dispatcher, query);
}
this.find = function(dispatcher, query) {
return new Promise(function(resolve, reject) {
dispatcher.datastore.find("files", query)
.then(function(documents) {
var parsed_documents = documents.map(function(document) {
return new ResourceRepresentation(document).getData()
});
resolve(parsed_documents);
})
})
}
this.change_name = function(dispatcher, sealious_name, new_name) {
return dispatcher.datastore.update("files", {
sealious_id: sealious_name
}, {
$set: {
"body.original_name": new_name
}
});
}
this.delete = function(dispatcher, query) {
}
var root_path = function() {
var parent_tmp = module.parent;
var parent = null;
while (parent_tmp) {
parent = parent_tmp;
parent_tmp = parent_tmp.parent;
}
return parent.filename;
}
}
//wersjonowanie, historia dostępu, przetrzymywanie poprzednich wersji
module.exports = FileManager;

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file-manager.js (2 KB)

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