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when.js
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when.js
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"use strict";
const Promise = require("bluebird");
const Query = require("../../../datastore/query.js");
async function construct_query(
app,
context,
collection_name,
special_filter_name,
when_true_name,
when_false_name = "noone"
) {
const collection = app.ChipManager.get_chip("collection", collection_name);
const special_filter = collection.get_named_filter(special_filter_name);
const when_true = new app.Sealious.AccessStrategy(app, when_true_name);
const when_false = new app.Sealious.AccessStrategy(app, when_false_name);
const filtering_query = await special_filter.getFilteringQuery(collection);
return new Query.Or(
new Query.And(
filtering_query,
await when_true.getRestrictingQuery(context)
),
new Query.And(
new Query.Not(filtering_query),
await when_false.getRestrictingQuery(context)
)
);
}
module.exports = app => ({
name: "when",
getRestrictingQuery: async function(
context,
[
collection_name,
special_filter_name,
when_true_name,
when_false_name = "noone",
]
) {
return construct_query(
app,
context,
collection_name,
special_filter_name,
when_true_name,
when_false_name
);
},
checker_function: async function(
context,
[
collection_name,
special_filter_name,
when_true_name,
when_false_name = "noone",
],
sealious_response
) {
const query = await construct_query(
app,
context,
collection_name,
special_filter_name,
when_true_name,
when_false_name
);
query.match({ sealious_id: sealious_response.id });
const results = await app.Datastore.aggregate(
sealious_response._metadata.collection_name,
query.toPipeline()
);
if (!results.length) {
return Promise.reject("No access");
}
},
item_sensitive: true,
});

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