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unleash.unleash/lib/db/client-applications-store.js

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/* eslint camelcase:off */
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'use strict';
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const COLUMNS = [
'app_name',
'created_at',
'updated_at',
'description',
'strategies',
'url',
'color',
'icon',
];
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const TABLE = 'client_applications';
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const mapRow = row => ({
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appName: row.app_name,
createdAt: row.created_at,
updatedAt: row.updated_at,
description: row.description,
strategies: row.strategies,
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url: row.url,
color: row.color,
icon: row.icon,
});
const remapRow = (input, old = {}) => ({
app_name: input.appName,
updated_at: input.updatedAt,
description: input.description || old.description,
url: input.url || old.url,
color: input.color || old.color,
icon: input.icon || old.icon,
strategies: JSON.stringify(input.strategies || old.strategies),
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});
class ClientApplicationsDb {
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constructor(db) {
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this.db = db;
}
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updateRow(details, prev) {
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details.updatedAt = 'now()';
return this.db(TABLE)
.where('app_name', details.appName)
.update(remapRow(details, prev));
}
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insertNewRow(details) {
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return this.db(TABLE).insert(remapRow(details));
}
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upsert(data) {
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if (!data) {
throw new Error('Missing data to add / update');
}
return this.db(TABLE)
.select(COLUMNS)
.where('app_name', data.appName)
.then(result => {
if (result && result[0]) {
return this.updateRow(data, result[0]);
} else {
return this.insertNewRow(data);
}
});
}
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getAll() {
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return this.db
.select(COLUMNS)
.from(TABLE)
.map(mapRow);
}
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getApplication(appName) {
return this.db
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.select(COLUMNS)
.where('app_name', appName)
.from(TABLE)
.map(mapRow)
.then(list => list[0]);
}
/**
* Could also be done in SQL:
* (not sure if it is faster though)
*
* SELECT app_name from (
* SELECT app_name, json_array_elements(strategies)::text as strategyName from client_strategies
* ) as foo
* WHERE foo.strategyName = '"other"';
*/
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getAppsForStrategy(strategyName) {
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return this.db
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.select(COLUMNS)
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.from(TABLE)
.map(mapRow)
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.then(apps =>
apps.filter(app => app.strategies.includes(strategyName))
);
}
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getApplications(filter) {
return filter && filter.strategyName
? this.getAppsForStrategy(filter.strategyName)
: this.getAll();
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}
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}
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module.exports = ClientApplicationsDb;