RPG Session Notes in Obsidian+Templater

rpg_session.js

async function rpg_session (tp) {
    const notePrefix = "Session";
    const noteSuffix = ".md";

    let title = tp.file.title
    if (title.startsWith("Untitled")) {
        let directory = tp.file.folder(relative = true);

        let result = -1;
        let resultFile = null;
        console.log(`Looking for files in ${directory}`);
        let listOfFiles = await app.metadataCache.vault.adapter.list(directory);
        for (const filename of listOfFiles.files) {
            if (filename.startsWith(directory)) {
                const strippedFilename = filename.slice(directory.length + 1);
                if (strippedFilename.startsWith(notePrefix) && strippedFilename.endsWith(noteSuffix)) {
                    let numberComponent = strippedFilename.substring(notePrefix.length + 1, strippedFilename.lastIndexOf('.'))
                    let number = parseInt(numberComponent);
                    if (number > result) {
                        result = number;
                        resultFile = filename;
                    }
                }
            }
        }
        if (result != -1) {
            let previousSession = result;
            let sessionNumber = previousSession + 1;
            let fcDate = {
                year: '',
                month: '',
                day: ''
            };
            await tp.file.rename(`${notePrefix} ${sessionNumber}`);
            if (resultFile !== null) {
                const previousNote = tp.file.find_tfile(resultFile);
                const fileCache = app.metadataCache.getFileCache(previousNote);
                var previousFrontmatter = fileCache?.frontmatter || {};
                if ("fc-end" in previousFrontmatter) {
                    console.log(previousFrontmatter["fc-end"])
                    fcDate = previousFrontmatter["fc-end"]
                } else if ("fc-date" in previousFrontmatter) {
                    console.log(previousFrontmatter["fc-date"])
                    fcDate = previousFrontmatter["fc-date"]
                }
                console.log(previousFrontmatter);
            }

            return {
                number: sessionNumber,
                previous: previousSession,
                fcDate: fcDate,
            };
        } else {
            let previousSession = -1;
            let sessionNumber = 0;
            await tp.file.rename(`${notePrefix} ${sessionNumber}`);
            return {
                number: sessionNumber,
                previous: previousSession,
                fcDate: fcDate,
            };
        }
    }
    let previousSession = -1;
    let sessionNumber = 0;
    return {
        number: sessionNumber,
        previous: previousSession,
        fcDate: {
            year: '',
            month: '',
            day: ''
        }
    };
}
module.exports = rpg_session;

Session Template.md

<%* session = await tp.user.rpg_session(tp) -%>

campaign: "Waterdeep Confidential" sessionNumber: <% session.number %> date: <% tp.date.now() %> <%* if (session.fcDate !== null) { -%> fc-date: year: <% session.fcDate.year %> month: <% session.fcDate.month %> day: <% session.fcDate.day %> <%* } -%> tags: session waterdeep

<%* if (session.previous != -1) { -%>

Previously

![[Session <% session.previous %>#Summary]] <%* } -%>

Session Notes

• <% tp.file.cursor(1) %>

Summary

• TODO: Enter Session Summary here