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All: Improved synchronisation process and saving of models so that reducer can deal with full objects

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This commit is contained in:
Laurent Cozic
2017-12-04 22:58:42 +00:00
parent 73e81a54b4
commit a6d6201ecb
3 changed files with 48 additions and 24 deletions
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40
ReactNativeClient/lib/base-model.js
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@ -62,11 +62,12 @@ class BaseModel {
return temp;
}
static fieldType(name) {
static fieldType(name, defaultValue = null) {
let fields = this.fields();
for (let i = 0; i < fields.length; i++) {
if (fields[i].name == name) return fields[i].type;
}
if (defaultValue !== null) return defaultValue;
throw new Error('Unknown field: ' + name);
}
@ -238,6 +239,9 @@ class BaseModel {
o.updated_time = timeNow;
}
// The purpose of user_updated_time is to allow the user to manually set the time of a note (in which case
// options.autoTimestamp will be `false`). However note that if the item is later changed, this timestamp
// will be set again to the current time.
if (options.autoTimestamp && this.hasField('user_updated_time')) {
o.user_updated_time = timeNow;
}
@ -278,6 +282,18 @@ class BaseModel {
options = this.modOptions(options);
options.isNew = this.isNew(o, options);
// Diff saving is an optimisation which takes a new version of the item and an old one,
// do a diff and save only this diff. IMPORTANT: When using this make sure that both
// models have been normalised using ItemClass.filter()
const isDiffSaving = options && options.oldItem && !options.isNew;
if (isDiffSaving) {
const newObject = BaseModel.diffObjects(options.oldItem, o);
newObject.type_ = o.type_;
newObject.id = o.id;
o = newObject;
}
o = this.filter(o);
let queries = [];
@ -298,6 +314,15 @@ class BaseModel {
if ('user_updated_time' in saveQuery.modObject) o.user_updated_time = saveQuery.modObject.user_updated_time;
if ('user_created_time' in saveQuery.modObject) o.user_created_time = saveQuery.modObject.user_created_time;
o = this.addModelMd(o);
if (isDiffSaving) {
for (let n in options.oldItem) {
if (!options.oldItem.hasOwnProperty(n)) continue;
if (n in o) continue;
o[n] = options.oldItem[n];
}
}
return this.filter(o);
}).catch((error) => {
Log.error('Cannot save model', error);
@ -328,9 +353,18 @@ class BaseModel {
let output = Object.assign({}, model);
for (let n in output) {
if (!output.hasOwnProperty(n)) continue;
// The SQLite database doesn't have booleans so cast everything to int
if (output[n] === true) output[n] = 1;
if (output[n] === false) output[n] = 0;
if (output[n] === true) {
output[n] = 1;
} else if (output[n] === false) {
output[n] = 0;
} else {
const t = this.fieldType(n, Database.TYPE_UNKNOWN);
if (t === Database.TYPE_INT) {
output[n] = !n ? 0 : parseInt(output[n], 10);
}
}
}
return output;