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| import shortid from 'shortid';
import * as actions from './actions';
import { now } from '../modules/dates';
import { addToObject, alterInObject, alterInArr, removeFromArr, getFromArr, addToArr }
from '../reduxUtils.js';
export function getInitialState(defaultDbId) {
const defaultQueryEditor = {
id: shortid.generate(),
title: 'Untitled Query',
sql: 'SELECT *\nFROM\nWHERE',
selectedText: null,
latestQueryId: null,
autorun: false,
dbId: defaultDbId,
};
return {
alerts: [],
networkOn: true,
queries: {},
databases: {},
queryEditors: [defaultQueryEditor],
tabHistory: [defaultQueryEditor.id],
tables: [],
queriesLastUpdate: 0,
activeSouthPaneTab: 'Results',
};
}
export const sqlLabReducer = function (state, action) {
const actionHandlers = {
[actions.ADD_QUERY_EDITOR]() {
const tabHistory = state.tabHistory.slice();
tabHistory.push(action.queryEditor.id);
const newState = Object.assign({}, state, { tabHistory });
return addToArr(newState, 'queryEditors', action.queryEditor);
},
[actions.CLONE_QUERY_TO_NEW_TAB]() {
const progenitor = state.queryEditors.find((qe) =>
qe.id === state.tabHistory[state.tabHistory.length - 1]);
const qe = {
id: shortid.generate(),
title: `Copy of ${progenitor.title}`,
dbId: (action.query.dbId) ? action.query.dbId : null,
schema: (action.query.schema) ? action.query.schema : null,
autorun: true,
sql: action.query.sql,
};
return sqlLabReducer(state, actions.addQueryEditor(qe));
},
[actions.REMOVE_QUERY_EDITOR]() {
let newState = removeFromArr(state, 'queryEditors', action.queryEditor);
// List of remaining queryEditor ids
const qeIds = newState.queryEditors.map((qe) => qe.id);
const queries = {};
Object.keys(state.queries).forEach((k) => {
const query = state.queries[k];
if (qeIds.indexOf(query.sqlEditorId) > -1) {
queries[k] = query;
}
});
let tabHistory = state.tabHistory.slice();
tabHistory = tabHistory.filter((id) => qeIds.indexOf(id) > -1);
newState = Object.assign({}, newState, { tabHistory, queries });
return newState;
},
[actions.REMOVE_QUERY]() {
const newQueries = Object.assign({}, state.queries);
delete newQueries[action.query.id];
return Object.assign({}, state, { queries: newQueries });
},
[actions.RESET_STATE]() {
return Object.assign({}, getInitialState());
},
[actions.MERGE_TABLE]() {
const at = Object.assign({}, action.table);
let existingTable;
state.tables.forEach((t) => {
Eif (
t.dbId === at.dbId &&
t.queryEditorId === at.queryEditorId &&
t.schema === at.schema &&
t.name === at.name) {
existingTable = t;
}
});
if (existingTable) {
Iif (action.query) {
at.dataPreviewQueryId = action.query.id;
}
return alterInArr(state, 'tables', existingTable, at);
}
at.id = shortid.generate();
// for new table, associate Id of query for data preview
at.dataPreviewQueryId = null;
let newState = addToArr(state, 'tables', at);
Iif (action.query) {
newState = alterInArr(newState, 'tables', at, { dataPreviewQueryId: action.query.id });
}
return newState;
},
[actions.EXPAND_TABLE]() {
return alterInArr(state, 'tables', action.table, { expanded: true });
},
[actions.REMOVE_DATA_PREVIEW]() {
const queries = Object.assign({}, state.queries);
delete queries[action.table.dataPreviewQueryId];
const newState = alterInArr(state, 'tables', action.table, { dataPreviewQueryId: null });
return Object.assign(
{}, newState, { queries });
},
[actions.CHANGE_DATA_PREVIEW_ID]() {
const queries = Object.assign({}, state.queries);
delete queries[action.oldQueryId];
const newTables = [];
state.tables.forEach((t) => {
if (t.dataPreviewQueryId === action.oldQueryId) {
newTables.push(Object.assign({}, t, { dataPreviewQueryId: action.newQuery.id }));
} else {
newTables.push(t);
}
});
return Object.assign(
{}, state, { queries, tables: newTables, activeSouthPaneTab: action.newQuery.id });
},
[actions.COLLAPSE_TABLE]() {
return alterInArr(state, 'tables', action.table, { expanded: false });
},
[actions.REMOVE_TABLE]() {
return removeFromArr(state, 'tables', action.table);
},
[actions.START_QUERY]() {
let newState = Object.assign({}, state);
Iif (action.query.sqlEditorId) {
const qe = getFromArr(state.queryEditors, action.query.sqlEditorId);
if (qe.latestQueryId && state.queries[qe.latestQueryId]) {
const newResults = Object.assign(
{}, state.queries[qe.latestQueryId].results, { data: [], query: null });
const q = Object.assign({}, state.queries[qe.latestQueryId], { results: newResults });
const queries = Object.assign({}, state.queries, { [q.id]: q });
newState = Object.assign({}, state, { queries });
}
} else {
newState.activeSouthPaneTab = action.query.id;
}
newState = addToObject(newState, 'queries', action.query);
const sqlEditor = { id: action.query.sqlEditorId };
return alterInArr(newState, 'queryEditors', sqlEditor, { latestQueryId: action.query.id });
},
[actions.STOP_QUERY]() {
return alterInObject(state, 'queries', action.query, { state: 'stopped' });
},
[actions.CLEAR_QUERY_RESULTS]() {
const newResults = Object.assign({}, action.query.results);
newResults.data = [];
return alterInObject(state, 'queries', action.query, { results: newResults, cached: true });
},
[actions.REQUEST_QUERY_RESULTS]() {
return alterInObject(state, 'queries', action.query, { state: 'fetching' });
},
[actions.QUERY_SUCCESS]() {
let rows;
if (action.results.data) {
rows = action.results.data.length;
}
const alts = {
endDttm: now(),
progress: 100,
results: action.results,
rows,
state: 'success',
errorMessage: null,
cached: false,
};
return alterInObject(state, 'queries', action.query, alts);
},
[actions.QUERY_FAILED]() {
const alts = { state: 'failed', errorMessage: action.msg, endDttm: now() };
return alterInObject(state, 'queries', action.query, alts);
},
[actions.SET_ACTIVE_QUERY_EDITOR]() {
const qeIds = state.queryEditors.map((qe) => qe.id);
Eif (qeIds.indexOf(action.queryEditor.id) > -1) {
const tabHistory = state.tabHistory.slice();
tabHistory.push(action.queryEditor.id);
return Object.assign({}, state, { tabHistory });
}
return state;
},
[actions.SET_ACTIVE_SOUTHPANE_TAB]() {
return Object.assign({}, state, { activeSouthPaneTab: action.tabId });
},
[actions.QUERY_EDITOR_SETDB]() {
return alterInArr(state, 'queryEditors', action.queryEditor, { dbId: action.dbId });
},
[actions.QUERY_EDITOR_SET_SCHEMA]() {
return alterInArr(state, 'queryEditors', action.queryEditor, { schema: action.schema });
},
[actions.QUERY_EDITOR_SET_TITLE]() {
return alterInArr(state, 'queryEditors', action.queryEditor, { title: action.title });
},
[actions.QUERY_EDITOR_SET_SQL]() {
return alterInArr(state, 'queryEditors', action.queryEditor, { sql: action.sql });
},
[actions.QUERY_EDITOR_SET_SELECTED_TEXT]() {
return alterInArr(state, 'queryEditors', action.queryEditor, { selectedText: action.sql });
},
[actions.QUERY_EDITOR_SET_AUTORUN]() {
return alterInArr(state, 'queryEditors', action.queryEditor, { autorun: action.autorun });
},
[actions.ADD_ALERT]() {
return addToArr(state, 'alerts', action.alert);
},
[actions.SET_DATABASES]() {
const databases = {};
action.databases.forEach((db) => {
databases[db.id] = db;
});
return Object.assign({}, state, { databases });
},
[actions.REMOVE_ALERT]() {
return removeFromArr(state, 'alerts', action.alert);
},
[actions.SET_NETWORK_STATUS]() {
if (state.networkOn !== action.networkOn) {
return Object.assign({}, state, { networkOn: action.networkOn });
}
return state;
},
[actions.REFRESH_QUERIES]() {
let newQueries = Object.assign({}, state.queries);
// Fetch the updates to the queries present in the store.
let change = false;
for (const id in action.alteredQueries) {
const changedQuery = action.alteredQueries[id];
if (
!state.queries.hasOwnProperty(id) ||
state.queries[id].changedOn !== changedQuery.changedOn) {
newQueries[id] = Object.assign({}, state.queries[id], changedQuery);
change = true;
}
}
Eif (!change) {
newQueries = state.queries;
}
const queriesLastUpdate = now();
return Object.assign({}, state, { queries: newQueries, queriesLastUpdate });
},
};
Eif (action.type in actionHandlers) {
return actionHandlers[action.type]();
}
return state;
};
|