- Progress

Signed-off-by: Dave Richer <dave@imexsystems.ca>

server/utils/calculateStatusDuration.js

@@ -0,0 +1,59 @@
+const moment = require('moment');
+const durationToHumanReadable = require("./durationToHumanReadable");
+/**
+ * Calculate the duration of each status of a job
+ * @param transitions
+ * @returns {{}}
+ */
+const calculateStatusDuration = (transitions) => {
+    let statusDuration = {};
+    let totalDuration = 0;
+    let summations = [];
+
+    transitions.forEach((transition, index) => {
+        let duration = transition.duration;
+        totalDuration += duration;
+
+        if (!transition.prev_value) {
+            statusDuration[transition.value] = {
+                value: duration,
+                humanReadable: transition.duration_readable
+            };
+        } else if (!transition.next_value) {
+            if (statusDuration[transition.value]) {
+                statusDuration[transition.value].value += duration;
+                statusDuration[transition.value].humanReadable = transition.duration_readable;
+            } else {
+                statusDuration[transition.value] = {
+                    value: duration,
+                    humanReadable: transition.duration_readable
+                };
+            }
+        } else {
+            if (statusDuration[transition.value]) {
+                statusDuration[transition.value].value += duration;
+                statusDuration[transition.value].humanReadable = transition.duration_readable;
+            } else {
+                statusDuration[transition.value] = {
+                    value: duration,
+                    humanReadable: transition.duration_readable
+                };
+            }
+        }
+    });
+
+    for (let [status, {value, humanReadable}] of Object.entries(statusDuration)) {
+        if (status !== 'total') {
+            summations.push({status, value, humanReadable});
+        }
+    }
+
+    const humanReadableTotal = durationToHumanReadable(moment.duration(totalDuration));
+
+    return {
+        summations,
+        total: totalDuration,
+        humanReadableTotal
+    };
+}
+module.exports = calculateStatusDuration;