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

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