mailtrain/models/segments.js
Tomas Bures 0bfb30817b work in progress on segments
some cleanup of models - handling dependencies in delete
2017-08-14 22:53:29 +02:00

115 lines
No EOL
3.5 KiB
JavaScript

'use strict';
const knex = require('../lib/knex');
const dtHelpers = require('../lib/dt-helpers');
const interoperableErrors = require('../shared/interoperable-errors');
const shares = require('./shares');
const allowedKeys = new Set(['name', 'settings']);
function hash(entity) {
return hasher.hash(filterObject(entity, allowedKeys));
}
async function listDTAjax(context, listId, params) {
return await knex.transaction(async tx => {
await shares.enforceEntityPermissionTx(tx, context, 'list', listId, 'viewSubscriptions');
return await dtHelpers.ajaxListTx(
tx,
params,
builder => builder
.from('segments')
.where('list', listId),
['id', 'name']
);
});
}
async function list(context, listId) {
return await knex.transaction(async tx => {
await shares.enforceEntityPermissionTx(tx, context, 'list', listId, 'viewSubscriptions');
return await tx('segments').select(['id', 'name']).where('list', listId).orderBy('name', 'asc');
});
}
async function getById(context, listId, id) {
return await knex.transaction(async tx => {
await shares.enforceEntityPermissionTx(tx, context, 'list', listId, 'viewSubscriptions');
const entity = await tx('segments').where({id, list: listId}).first();
entity.settings = JSON.parse(entity.settings);
return entity;
});
}
async function create(context, listId, entity) {
return await knex.transaction(async tx => {
await shares.enforceEntityPermissionTx(tx, context, 'list', listId, 'manageSegments');
entity.settings = JSON.stringify(entity.params);
const filteredEntity = filterObject(entity, allowedKeys);
filteredEntity.list = listId;
const ids = await tx('segments').insert(filteredEntity);
const id = ids[0];
return id;
});
}
async function updateWithConsistencyCheck(context, listId, entity) {
await knex.transaction(async tx => {
await shares.enforceEntityPermissionTx(tx, context, 'list', listId, 'manageSegments');
const existing = await tx('segments').where({list: listId, id: entity.id}).first();
if (!existing) {
throw new interoperableErrors.NotFoundError();
}
const existingHash = hash(existing);
if (existingHash !== entity.originalHash) {
throw new interoperableErrors.ChangedError();
}
entity.settings = JSON.stringify(entity.params);
await tx('segments').where('id', entity.id).update(filterObject(entity, allowedKeys));
});
}
async function removeTx(tx, context, listId, id) {
await shares.enforceEntityPermissionTx(tx, context, 'list', listId, 'manageSegments');
// The listId "where" is here to prevent deleting segment of a list for which a user does not have permission
await tx('segments').where({list: listId, id: id}).del();
}
async function remove(context, listId, id) {
await knex.transaction(async tx => {
await removeTx(tx, context, listId, id);
});
}
async function removeAllByListIdTx(tx, context, listId) {
const entities = await tx('segments').where('list', listId).select(['id']);
for (const entity of entities) {
await removeTx(tx, context, entity.id);
}
}
async function removeRulesByFieldIdTx(tx, context, listId, fieldId) {
// FIXME
}
module.exports = {
listDTAjax,
list,
create,
updateWithConsistencyCheck,
remove,
removeAllByListIdTx,
removeRulesByFieldIdTx
};