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ghost/core/server/services/posts/posts-service.js
Naz 15073bad29 Extracted post/page cache invalidation logic to service
refs https://github.com/TryGhost/Team/issues/949

- The code is exactly the same in six (!) places. It's beyond unmaintainable to add another line to any of these place, which will be needed for `email_only` handling.
- The newly created posts service is a temporary, slightly better solution that complies with codebase's best practice of extracting new services using class with DI pattern
2021-08-05 14:51:47 +04:00

37 lines
1.1 KiB
JavaScript

const {BadRequestError} = require('@tryghost/errors');
class PostsService {
constructor({mega, apiVersion, urlUtils, i18n, models}) {
this.apiVersion = apiVersion;
this.mega = mega;
this.urlUtils = urlUtils;
this.i18n = i18n;
this.models = models;
}
handleCacheInvalidation(model) {
let cacheInvalidate;
if (
model.get('status') === 'published' && model.wasChanged() ||
model.get('status') === 'draft' && model.previous('status') === 'published'
) {
cacheInvalidate = true;
} else if (
model.get('status') === 'draft' && model.previous('status') !== 'published' ||
model.get('status') === 'scheduled' && model.wasChanged()
) {
cacheInvalidate = {
value: this.urlUtils.urlFor({
relativeUrl: this.urlUtils.urlJoin('/p', model.get('uuid'), '/')
})
};
} else {
cacheInvalidate = false;
}
return cacheInvalidate;
}
}
module.exports = PostsService;