seitime-frappe/js/model/local_data.js
2011-06-08 14:24:18 +05:30

373 lines
10 KiB
JavaScript

// Local DB
//-----------
var locals = {};
var fields = {}; // fields[doctype][fieldname]
var fields_list = {}; // fields_list[doctype]
var LocalDB={};
var READ = 0; var WRITE = 1; var CREATE = 2; var SUBMIT = 3; var CANCEL = 4; var AMEND = 5;
LocalDB.getchildren = function(child_dt, parent, parentfield, parenttype) {
var l = [];
for(var key in locals[child_dt]) {
var d = locals[child_dt][key];
if((d.parent == parent)&&(d.parentfield == parentfield)) {
if(parenttype) {
if(d.parenttype==parenttype)l.push(d);
} else { // ignore for now
l.push(d);
}
}
}
l.sort(function(a,b){return (cint(a.idx)-cint(b.idx))}); return l;
}
// Add Doc
// ======================================================================================
LocalDB.add=function(dt, dn) {
if(!locals[dt]) locals[dt] = {}; if(locals[dt][dn]) delete locals[dt][dn];
locals[dt][dn] = {'name':dn, 'doctype':dt, 'docstatus':0};
return locals[dt][dn];
}
// Delete Doc
// ======================================================================================
LocalDB.delete_doc=function(dt, dn) {
var doc = get_local(dt, dn);
for(var ndt in locals) { // all doctypes
if(locals[ndt]) {
for(var ndn in locals[ndt]) {
var doc = locals[ndt][ndn];
if(doc && doc.parenttype==dt && (doc.parent==dn||doc.__oldparent==dn)) {
delete locals[ndt][ndn];
}
}
}
}
delete locals[dt][dn];
}
function get_local(dt, dn) { return locals[dt] ? locals[dt][dn] : null; }
// Sync Records from Server
// ======================================================================================
LocalDB.sync = function(list) {
if(list._kl)list = expand_doclist(list);
for(var i=0;i<list.length;i++) {
var d = list[i];
if(!d.name) // get name (local if required)
d.name = LocalDB.get_localname(d.doctype);
LocalDB.add(d.doctype, d.name);
locals[d.doctype][d.name] = d;
// cleanup for a second-loading
if(d.doctype=='DocType') {
fields_list[d.name] = [];
} else if(d.doctype=='DocField') { // field dictionary / list
if(!d.parent) {
alert('Error: No parent specified for field "' + d.label + '"');
}
if(!fields_list[d.parent])fields_list[d.parent] = [];
fields_list[d.parent][fields_list[d.parent].length] = d;
if(!fields[d.parent])
fields[d.parent] = {};
if(d.fieldname) {
fields[d.parent][d.fieldname] = d;
} else if(d.label) {
fields[d.parent][d.label] = d;
}
} else if(d.doctype=='Event') {
if((!d.localname) && _c.calendar && (!_c.calendar.has_event[d.name]))
_c.calendar.set_event(d);
}
if(d.localname)
notify_rename_observers(d.doctype, d.localname, d.name);
}
}
// Get Local Name
// ======================================================================================
local_name_idx = {};
LocalDB.get_localname=function(doctype) {
if(!local_name_idx[doctype]) local_name_idx[doctype] = 1;
var n = 'New '+ get_doctype_label(doctype) + ' ' + local_name_idx[doctype];
local_name_idx[doctype]++;
return n;
}
// Create Local Doc
// ======================================================================================
LocalDB.set_default_values = function(doc) {
var doctype = doc.doctype;
var docfields = fields_list[doctype];
if(!docfields) {
return;
}
for(var fid=0;fid<docfields.length;fid++) {
var f = docfields[fid];
if(!in_list(no_value_fields, f.fieldtype) && doc[f.fieldname]==null) {
var v = LocalDB.get_default_value(f.fieldname, f.fieldtype, f['default']);
if(v) doc[f.fieldname] = v;
}
}
}
// ======================================================================================
LocalDB.is_doc_loaded = function(dt, dn) {
var exists = false;
if(locals[dt] && locals[dt][dn]) exists = true;
if(exists && dt=='DocType' // if it is a doctype
&& !locals[dt][dn].__islocal // and not copied
&& !frms[dt]) // and not loaded
exists = false; // reload
return exists;
}
// ======================================================================================
function check_perm_match(p, dt, dn) {
if(!dn) return true;
var out =false;
if(p.match) {
if(user_defaults[p.match]) {
for(var i=0;i<user_defaults[p.match].length;i++) {
// user must have match field in defaults
if(user_defaults[p.match][i]==locals[dt][dn][p.match]) {
// must match document
return true;
}
}
return false;
} else if(!locals[dt][dn][p.match]) { // blanks are true
return true;
} else {
return false;
}
} else {
return true;
}
}
/* Note: Submitted docstatus overrides the permissions. To ignore submit condition
pass ignore_submit=1 */
function get_perm(doctype, dn, ignore_submit) {
var perm = [[0,0],];
if(in_list(user_roles, 'Administrator')) perm[0][READ] = 1;
var plist = getchildren('DocPerm', doctype, 'permissions', 'DocType');
for(var pidx in plist) {
var p = plist[pidx];
var pl = cint(p.permlevel?p.permlevel:0);
// if user role
if(in_list(user_roles, p.role)) {
// if field match
if(check_perm_match(p, doctype, dn)) { // new style
if(!perm[pl])perm[pl] = [];
if(!perm[pl][READ]) {
if(cint(p.read)) perm[pl][READ]=1; else perm[pl][READ]=0;
}
if(!perm[pl][WRITE]) {
if(cint(p.write)) { perm[pl][WRITE]=1; perm[pl][READ]=1; }else perm[pl][WRITE]=0;
}
if(!perm[pl][CREATE]) {
if(cint(p.create))perm[pl][CREATE]=1; else perm[pl][CREATE]=0;
}
if(!perm[pl][SUBMIT]) {
if(cint(p.submit))perm[pl][SUBMIT]=1; else perm[pl][SUBMIT]=0;
}
if(!perm[pl][CANCEL]) {
if(cint(p.cancel))perm[pl][CANCEL]=1; else perm[pl][CANCEL]=0;
}
if(!perm[pl][AMEND]) {
if(cint(p.amend)) perm[pl][AMEND]=1; else perm[pl][AMEND]=0;
}
}
}
}
if((!ignore_submit) && dn && locals[doctype][dn].docstatus>0) {
for(pl in perm)
perm[pl][WRITE]=0; // read only
}
return perm;
}
// ======================================================================================
LocalDB.create = function(doctype, n) {
if(!n) n = LocalDB.get_localname(doctype);
var doc = LocalDB.add(doctype, n)
doc.__islocal=1; doc.owner = user;
LocalDB.set_default_values(doc);
return n;
}
// ======================================================================================
LocalDB.delete_record = function(dt, dn) {
var d = locals[dt][dn];
if(!d.__islocal) // newly created (not required to tag)
d.__oldparent = d.parent;
d.parent = 'old_parent:' + d.parent; // should be ..
d.docstatus = 2;
d.__deleted = 1;
}
// ======================================================================================
LocalDB.get_default_value = function(fn, ft, df) {
if(df=='_Login' || df=='__user')
return user;
else if(df=='_Full Name')
return user_fullname;
else if(ft=='Date'&& (df=='Today' || df=='__today')) {
return get_today(); }
else if(df)
return df;
else if(user_defaults[fn])
return user_defaults[fn][0];
else if(sys_defaults[fn])
return sys_defaults[fn];
}
// ======================================================================================
LocalDB.add_child = function(doc, childtype, parentfield) {
// create row doc
var n = LocalDB.create(childtype);
var d = locals[childtype][n];
d.parent = doc.name;
d.parentfield = parentfield;
d.parenttype = doc.doctype;
return d;
}
// ======================================================================================
LocalDB.no_copy_list = ['amended_from','amendment_date','cancel_reason'];
LocalDB.copy=function(dt, dn, from_amend) {
var newdoc = LocalDB.create(dt);
for(var key in locals[dt][dn]) {
if(key!=='name' && key.substr(0,2)!='__') { // dont copy name and blank fields
locals[dt][newdoc][key] = locals[dt][dn][key];
}
var df = get_field(dt, key);
if(df && ((!from_amend && cint(df.no_copy)==1) || in_list(LocalDB.no_copy_list, df.fieldname))) { // blank out 'No Copy'
locals[dt][newdoc][key]='';
}
}
return locals[dt][newdoc];
}
// ======================================================================================
function make_doclist(dt, dn, deleted) {
var dl = [];
dl[0] = locals[dt][dn];
// get children
for(var ndt in locals) { // all doctypes
if(locals[ndt]) {
for(var ndn in locals[ndt]) {
var doc = locals[ndt][ndn];
if(doc && doc.parenttype==dt && (doc.parent==dn||(deleted&&doc.__oldparent==dn))) {
dl[dl.length]=doc;
//if(deleted&&(doc.__oldparent==dn))alert(doc.name+','+doc.__oldparent);
}
}
}
}
return dl;
}
// Renaming notification list
// ======================================================================================
var rename_observers = [];
function notify_rename_observers(dt, old_name, new_name) {
// delete from local
try {
var old = locals[dt][old_name];
old.parent = null; old.__deleted = 1;
} catch(e) {
alert("[rename_from_local] No Document for: "+ old_name);
}
// everyone who observers
for(var i=0; i<rename_observers.length;i++) {
if(rename_observers[i])
rename_observers[i].rename_notify(dt, old_name, new_name);
}
}
// Meta Data
// ======================================================================================
var Meta={};
var local_dt = {};
// Make Unique Copy of DocType for each record for client scripting
Meta.make_local_dt = function(dt, dn) {
var dl = make_doclist('DocType', dt);
if(!local_dt[dt]) local_dt[dt]={};
if(!local_dt[dt][dn]) local_dt[dt][dn]={};
for(var i=0;i<dl.length;i++) {
var d = dl[i];
if(d.doctype=='DocField') {
var key = d.fieldname ? d.fieldname : d.label;
local_dt[dt][dn][key] = copy_dict(d);
}
}
}
Meta.get_field=function(dt, fn, dn) {
if(dn && local_dt[dt]&&local_dt[dt][dn]){
return local_dt[dt][dn][fn];
} else {
if(fields[dt]) var d = fields[dt][fn];
if(d) return d;
}
return {};
}
Meta.set_field_property=function(fn, key, val, doc) {
if(!doc && (cur_frm.doc))doc = cur_frm.doc;
try{
local_dt[doc.doctype][doc.name][fn][key] = val;
refresh_field(fn);
} catch(e) {
alert("Client Script Error: Unknown values for " + doc.name + ',' + fn +'.'+ key +'='+ val);
}
}
// Get Dt label
// ======================================================================================
function get_doctype_label(dt) {
if(session.dt_labels && session.dt_labels[dt])
return session.dt_labels[dt]
else
return dt
}
function get_label_doctype(label) {
if(session.rev_dt_labels && session.rev_dt_labels[label])
return session.rev_dt_labels[label]
else
return label
}
// Global methods for API
// ======================================================================================
var getchildren = LocalDB.getchildren;
var get_field = Meta.get_field;
var createLocal = LocalDB.create;