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add templater

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This commit is contained in:
HRG @ SCExC 2024-06-02 10:20:01 -04:00
parent 4d6c343422
commit c33a49e817
8 changed files with 248 additions and 27 deletions
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103
index.js
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@ -3,6 +3,7 @@ const vm = require("node:vm");
const path = require("path");
const express = require("express");
const session = require("express-session");
const fileUpload = require("express-fileupload");
const SQLiteStore = require("better-sqlite3-session-store")(session);
const betterSqlite3 = require("better-sqlite3");
const { Eta } = require("eta");
@ -20,6 +21,7 @@ const routes = { GET: [], POST: [], PUT: [], DELETE: [] };
app.use(bodyParser.urlencoded({ extended: true }));
app.use(express.static("public"));
app.use(fileUpload());
const db = betterSqlite3("./prime.db");
@ -209,12 +211,42 @@ function updateDb(db, appDb) {
db.prepare(sql).run(...values);
}
function updateTemplate(db, template) {
const fields = ["content", "name", "test_object"];
const values = fields.map((field) => template[field]);
const placeholders = fields.map((field) => `${field} = ?`).join(", ");
const sql = `UPDATE templates SET ${placeholders} WHERE id = ?`;
values.push(template.id);
db.prepare(sql).run(...values);
}
function getTemplates(db, structureId) {
return db
.prepare("SELECT * from templates where structure_id = ?")
.all(structureId);
}
function getTemplate(db, templateId) {
return db.prepare("SELECT * from templates where id = ?").get(templateId);
}
function getTemplateContentByName(db, structId, name) {
return db
.prepare(
"SELECT content from templates where structure_id = ? AND name = ?"
)
.get(structId, name);
}
function createTemplate(db, structureId, name, content, testObjectString) {
return db
.prepare(
"INSERT INTO templates (structure_id, name, content, test_object) VALUES (?, ?, ?, ?)"
)
.run(structureId, name, content, testObjectString).lastInsertRowid;
}
function getDbsForStructure(db, structureId) {
return db
.prepare(
@ -280,8 +312,6 @@ function createDb(db, structId, name) {
}
const { LRUCache } = require("lru-cache");
const { templateSettings } = require("dot");
// we'll figure out max size later
const templateCache = new LRUCache({ max: 100 });
function getTemplater(structId) {
@ -293,7 +323,7 @@ function getTemplater(structId) {
return path;
};
etaInstance.readFile = function (templateAlias) {
return getTemplateString(db, templateAlias, structId);
return getTemplateContentByName(db, structId, templateAlias).content;
};
templateCache.set(structId, etaInstance);
}
@ -315,9 +345,8 @@ function getDbInstance(dbId) {
return dbInstance;
}
function bootstrapTemplateWithHTMXetc(htmlString, blissRoute) {
console.log(htmlString);
if (htmlString.startsWith("<html>")) {
function bootstrapTemplateWithHTMXetc(htmlString, blissRoute, wrapHTML) {
if (htmlString.startsWith("<html>") || wrapHTML) {
const $ = cheerio.load(htmlString);
let head = $("head");
@ -487,6 +516,63 @@ app.post("/workshop/:structure_id/db/:db_id/repl", (req, res) => {
}
});
app.post("/workshop/:structure_id/template", (req, res) => {
let name = req.body.name;
const template = createTemplate(
db,
req.params.structure_id,
name,
"<div>henlo <%= it.name %></div>",
"it = { name: 'templates!' };"
);
return smartRedirect(
req,
res,
`/workshop/${req.params.structure_id}/template/${template}`
);
});
app.put("/workshop/:structure_id/template/:template_id", (req, res) => {
let id = req.params.template_id;
let content = req.body.content;
let test_object = req.body.test_object;
updateTemplate(db, { ...getTemplate(db, id), content, test_object });
return res.send("good");
});
app.get("/workshop/:structure_id/template/:template_id", (req, res) => {
const template = getTemplate(db, req.params.template_id);
return res.send(
bootstrapTemplateWithHTMXetc(
eta.render("workshop/template", {
template: template,
...sidebarStuff(db, req.params.structure_id),
})
)
);
});
app.get("/workshop/:structure_id/template/:template_id/preview", (req, res) => {
const template = getTemplate(db, req.params.template_id);
const eta = getTemplater(req.params.structure_id);
const context = vm.createContext({ it: null });
vm.runInContext(template.test_object, context);
return res.send(
bootstrapTemplateWithHTMXetc(
eta.render(template.name, context.it),
null,
true
)
);
});
app.get("/workshop/:structure_id/route/:id", (req, res) => {
const route = getRoute(db, req.params.id);
return res.send(
@ -581,7 +667,6 @@ app.all("*", (req, res) => {
res.rawSend = res.send;
res.send = (...args) => {
console.log(args[0], args[1], "bingo")
res.rawSend(
bootstrapTemplateWithHTMXetc(
args[0],
@ -589,6 +674,10 @@ app.all("*", (req, res) => {
)
);
};
res.render = (template, context) => {
const eta = getTemplater(route.structure_id);
res.send(bootstrapTemplateWithHTMXetc(eta.render(template, context)));
};
return vm.runInContext(
(route.handler += `\n\nhandler(req, res)`),
context