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Conditionally run post-attachment migrations

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Introduce placeholder migrations for Backbone models so they never implicitly
run migrations whenever they are `fetch`ed. We prefer to run our migrations
explicitly upon app startup and then let Backbone models be (slightly) dumb(er)
models, without inadvertently triggering migrations.
This commit is contained in:
Daniel Gasienica 2018-03-30 16:31:33 -04:00
parent 887bd83852
commit 805031ade8
6 changed files with 87 additions and 25 deletions
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7
preload.js
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@ -119,6 +119,8 @@
const upgradeMessageSchema = message =>
Message.upgradeSchema(message, upgradeSchemaContext);
const { getPlaceholderMigrations } =
require('./js/modules/migrations/get_placeholder_migrations');
const { IdleDetector} = require('./js/modules/idle_detector');
window.Signal = {};
@ -128,13 +130,14 @@
window.Signal.Debug = require('./js/modules/debug');
window.Signal.Logs = require('./js/modules/logs');
window.Signal.Migrations = {};
window.Signal.Migrations.loadAttachmentData = Attachment.loadData(readAttachmentData);
window.Signal.Migrations.deleteAttachmentData = Attachment.deleteData(deleteAttachmentData);
window.Signal.Migrations.upgradeMessageSchema = upgradeMessageSchema;
window.Signal.Migrations.getPlaceholderMigrations =getPlaceholderMigrations;
window.Signal.Migrations.loadAttachmentData = Attachment.loadData(readAttachmentData);
window.Signal.Migrations.Migrations0DatabaseWithAttachmentData =
require('./js/modules/migrations/migrations_0_database_with_attachment_data');
window.Signal.Migrations.Migrations1DatabaseWithoutAttachmentData =
require('./js/modules/migrations/migrations_1_database_without_attachment_data');
window.Signal.Migrations.upgradeMessageSchema = upgradeMessageSchema;
window.Signal.OS = require('./js/modules/os');
window.Signal.Settings = require('./js/modules/settings');
window.Signal.Types = {};