discourse-data-explorer/assets/javascripts/discourse/components/explorer-schema.js.es6

133 lines
3.0 KiB
JavaScript

import {
default as computed,
observes,
} from "discourse-common/utils/decorators";
import debounce from "discourse/lib/debounce";
export default Ember.Component.extend({
actions: {
collapseSchema() {
this.set("hideSchema", true);
},
},
@computed("schema")
transformedSchema(schema) {
for (let key in schema) {
if (!schema.hasOwnProperty(key)) {
continue;
}
schema[key].forEach((col) => {
const notes_components = [];
if (col.primary) {
notes_components.push("primary key");
}
if (col.is_nullable) {
notes_components.push("null");
}
if (col.column_default) {
notes_components.push("default " + col.column_default);
}
if (col.fkey_info) {
notes_components.push("fkey " + col.fkey_info);
}
if (col.denormal) {
notes_components.push("denormal " + col.denormal);
}
const notes = notes_components.join(", ");
if (notes) {
col.notes = notes;
}
if (col.enum || col.column_desc) {
col.havepopup = true;
}
col.havetypeinfo = !!(col.notes || col.enum || col.column_desc);
});
}
return schema;
},
@computed("filter")
rfilter(filter) {
if (!Ember.isBlank(filter)) {
return new RegExp(filter);
}
},
filterTables(schema) {
let tables = [];
const filter = this.rfilter,
haveFilter = !!filter;
for (let key in schema) {
if (!schema.hasOwnProperty(key)) {
continue;
}
if (!haveFilter) {
tables.push({
name: key,
columns: schema[key],
open: false,
});
continue;
}
// Check the table name vs the filter
if (filter.source === key || filter.source + "s" === key) {
tables.unshift({
name: key,
columns: schema[key],
open: haveFilter,
});
} else if (filter.test(key)) {
// whole table matches
tables.push({
name: key,
columns: schema[key],
open: haveFilter,
});
} else {
// filter the columns
let filterCols = [];
schema[key].forEach((col) => {
if (filter.source === col.column_name) {
filterCols.unshift(col);
} else if (filter.test(col.column_name)) {
filterCols.push(col);
}
});
if (!Ember.isEmpty(filterCols)) {
tables.push({
name: key,
columns: filterCols,
open: haveFilter,
});
}
}
}
return tables;
},
@observes("filter")
triggerFilter: debounce(function () {
this.set("filteredTables", this.filterTables(this.transformedSchema));
this.set("loading", false);
}, 500),
@observes("filter")
setLoading() {
this.set("loading", true);
},
init() {
this._super(...arguments);
this.set("loading", true);
this.triggerFilter();
},
});