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import { n__, s__, sprintf } from '~/locale';
import { DESCRIPTION_TYPE } from '../constants';
/**
* Changes the description from a note, returns 'changed the description n number of times'
*/
export const changeDescriptionNote = (note, descriptionChangedTimes, timeDifferenceMinutes) => {
const descriptionNote = Object.assign({}, note);
descriptionNote.note_html = sprintf(
s__(`MergeRequest|
%{paragraphStart}changed the description %{descriptionChangedTimes} times %{timeDifferenceMinutes}%{paragraphEnd}`),
{
paragraphStart: '<p dir="auto">',
paragraphEnd: '</p>',
descriptionChangedTimes,
timeDifferenceMinutes: n__('within %d minute ', 'within %d minutes ', timeDifferenceMinutes),
},
false,
);
descriptionNote.times_updated = descriptionChangedTimes;
return descriptionNote;
};
/**
* Checks the time difference between two notes from their 'created_at' dates
* returns an integer
*/
export const getTimeDifferenceMinutes = (noteBeggining, noteEnd) => {
const descriptionNoteBegin = new Date(noteBeggining.created_at);
const descriptionNoteEnd = new Date(noteEnd.created_at);
const timeDifferenceMinutes = (descriptionNoteEnd - descriptionNoteBegin) / 1000 / 60;
return Math.ceil(timeDifferenceMinutes);
};
/**
* Checks if a note is a system note and if the content is description
*
* @param {Object} note
* @returns {Boolean}
*/
export const isDescriptionSystemNote = note => note.system && note.note === DESCRIPTION_TYPE;
/**
* Collapses the system notes of a description type, e.g. Changed the description, n minutes ago
* the notes will collapse as long as they happen no more than 10 minutes away from each away
* in between the notes can be anything, another type of system note
* (such as 'changed the weight') or a comment.
*
* @param {Array} notes
* @returns {Array}
*/
export const collapseSystemNotes = notes => {
let lastDescriptionSystemNote = null;
let lastDescriptionSystemNoteIndex = -1;
let descriptionChangedTimes = 1;
return notes.slice(0).reduce((acc, currentNote) => {
const note = currentNote.notes[0];
if (isDescriptionSystemNote(note)) {
// is it the first one?
if (!lastDescriptionSystemNote) {
lastDescriptionSystemNote = note;
lastDescriptionSystemNoteIndex = acc.length;
} else if (lastDescriptionSystemNote) {
const timeDifferenceMinutes = getTimeDifferenceMinutes(lastDescriptionSystemNote, note);
// are they less than 10 minutes apart?
if (timeDifferenceMinutes > 10) {
// reset counter
descriptionChangedTimes = 1;
// update the previous system note
lastDescriptionSystemNote = note;
lastDescriptionSystemNoteIndex = acc.length;
} else {
// increase counter
descriptionChangedTimes += 1;
// delete the previous one
acc.splice(lastDescriptionSystemNoteIndex, 1);
// replace the text of the current system note with the collapsed note.
currentNote.notes.splice(
0,
1,
changeDescriptionNote(note, descriptionChangedTimes, timeDifferenceMinutes),
);
// update the previous system note index
lastDescriptionSystemNoteIndex = acc.length;
}
}
}
acc.push(currentNote);
return acc;
}, []);
};
// for babel-rewire
export default {};
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