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- Remove Static, Remove DbInit, Adjust awaits, increment version

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Signed-off-by: Fred Boniface <fred@fjla.uk>
This commit is contained in:
Fred Boniface
2023-02-16 21:25:19 +00:00
parent b1940bcfbb
commit d10d558715
88 changed files with 1019 additions and 4224 deletions
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90
src/utils/DEP_dbinit.utils.js
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@@ -1,90 +0,0 @@
// FUNCTIONS
// init() : Exported: Uses the internal functions to initialise databases.
// check() : Checks data presence and age.
// build() : Builds/Rebuilds collections.
const log = require('./log.utils'); // Log Helper
const time = require('./timeConvert.utils'); // Time Helper
const corpus = require('../services/corpus.services');
const dbAccess = require('../services/dbAccess.services');
async function init(){
var status = await check('corpus');
if (status == "not_ready") {
try {
await build("corpus")
} catch (err) {
log.out("dbInitUtils.init: Error building corpus database")
log.out(err)
}
}
var status = await check('stations')
if (status == "not_ready") {
try {
await build("stations")
} catch (err) {
log.out("dbInitUtils.init: Error building stations database")
log.out(err)
}
}
indexes();
dbAccess.createCount();
}
async function check(coll){
log.out(`dbInitUtils.check: Checking collection '${coll}'`)
try {
var queryStr = {'type':'collection','target': coll};
var res = await dbAccess.query('meta',queryStr);
log.out(`dbInitUtils.check: Last update of ${coll}: ${time.unixLocal(res['0']['updated'])}`)
var now = time.jsUnix(Date.now())
var delta = now - res['0']['updated']
} catch (err) {
log.out(`dbInitUtils.check: Unable to find out data age. Presume stale. Error Message:`)
log.out(err)
var delta = 12096000 // Extra zero to ensure data is updated.
}
var maxAge = 1209600 // 14 Days
if (delta > maxAge) {
log.out(`dbInitUtils.check: '${coll}' data older than max age ${maxAge} seconds. Update pending`)
return "not_ready"
} else {
log.out(`dbInitUtils.check: '${coll}' data newer than max age ${maxAge} seconds. Update not required`)
return "ready"
}
}
async function build(db){ // `db` must be one of: `corpus`, `stations`, `all`.
log.out("dbInitUtils.build: Building database structure")
var corpusAll = await corpus.get();
if (db === "corpus") {
await dbAccess.dropCollection("corpus");
dbAccess.putCorpus(corpusAll);
log.out(`dbInitUtils.build: Updating corpus meta`);
dbAccess.updateMeta("collection", "corpus", time.jsUnix(Date.now()));
}
if (db === "stations") {
await dbAccess.dropCollection("stations");
var corpusSubset = await corpus.subset(corpusAll);
dbAccess.putStations(corpusSubset);
log.out(`dbInitUtils.build: Updating stations meta`);
dbAccess.updateMeta("collection", "stations", time.jsUnix(Date.now()));
}
}
async function indexes() {
dbAccess.ensureIndex("corpus", "NLC");
dbAccess.ensureIndex("corpus", "3ALPHA");
dbAccess.ensureIndex("stations", "3ALPHA");
dbAccess.ensureIndex("stations", "STANOX");
dbAccess.ensureIndex("stations", "TIPLOC");
dbAccess.ensureIndex("corpus", "NLCDESC", "text")
}
module.exports = {
init
}