metabuilder/qml/MetaBuilder/DatabaseLogic.js

// DatabaseLogic.js — DBAL + utility logic for DatabaseManager

function formatSize(kb) { return kb < 1024 ? kb + " KB" : (kb / 1024).toFixed(1) + " MB" }

function totalRecords(backends) {
    var s = 0; for (var i = 0; i < backends.length; i++) s += backends[i].records; return s
}

function totalSize(backends) {
    var s = 0; for (var i = 0; i < backends.length; i++) s += backends[i].sizeKb; return s
}

function connectedCount(backends) {
    var c = 0; for (var i = 0; i < backends.length; i++) if (backends[i].status === "connected") c++; return c
}

function testConnectionLive(root, dbal, testTimer, index) {
    root.testingIndex = index
    if (root.useLiveData) {
        dbal.execute("core/test-connection", { adapter: root.backends[index].key }, function(result, error) {
            var newResults = Object.assign({}, root.testResults)
            newResults[index] = (!error && result && result.success) ? "success" : "error"
            root.testResults = newResults; root.testingIndex = -1
        })
    } else { testTimer.targetIndex = index; testTimer.start() }
}

function loadAdapterStatus(root, dbal) {
    dbal.execute("core/adapters", {}, function(result, error) {
        if (!error && result && result.adapters && result.adapters.length > 0) {
            var liveBackends = []
            for (var i = 0; i < result.adapters.length; i++) {
                var a = result.adapters[i]
                liveBackends.push({
                    name: a.name || "", key: a.key || "", status: a.status || "disconnected",
                    description: a.description || "", connectionString: a.connectionString || "",
                    records: a.records || 0, sizeKb: a.sizeKb || 0, lastBackup: a.lastBackup || "Never"
                })
            }
            root.backends = liveBackends
            if (root.selectedBackendIndex >= liveBackends.length) root.selectedBackendIndex = 0
            if (root.activeBackendIndex >= liveBackends.length) root.activeBackendIndex = 0
        }
    })
}