Settings page and instance selection

api/settings.js

@@ -0,0 +1,67 @@
+const {render, redirect} = require("pinski/plugins")
+const db = require("./utils/db")
+const {getToken, getUser} = require("./utils/getuser")
+const constants = require("./utils/constants")
+const validate = require("./utils/validate")
+const V = validate.V
+
+module.exports = [
+	{
+		route: "/settings", methods: ["GET"], code: async ({req}) => {
+			const user = getUser(req)
+			const settings = user.getSettings()
+			return render(200, "pug/settings.pug", {constants, settings})
+		}
+	},
+	{
+		route: "/settings", methods: ["POST"], upload: true, code: async ({req, body}) => {
+			return new V()
+				.with(validate.presetLoad({body}))
+				.with(validate.presetURLParamsBody())
+				.last(async state => {
+					const {params} = state
+					const responseHeaders = {
+						Location: "/settings"
+					}
+					const token = getToken(req, responseHeaders)
+					const data = {}
+
+					for (const key of Object.keys(constants.user_settings)) {
+						const setting = constants.user_settings[key]
+						if (params.has(key)) {
+							const provided = params.get(key)
+							if (setting.type === "string") {
+								if (provided) data[key] = provided
+								else data[key] = null
+							} else if (setting.type === "integer") {
+								if (isNaN(provided)) data[key] = null
+								else data[key] = +provided
+							} else if (setting.type === "boolean") {
+								if (provided === "true") data[key] = true
+								else if (provided === "false") data[key] = false
+								else data[key] = null
+							} else {
+								throw new Error("Unsupported setting type: "+setting.type)
+							}
+						} else {
+							data[key] = null
+						}
+					}
+
+					db.prepare("DELETE FROM Settings WHERE token = ?").run(token)
+					const keys = ["token", ...Object.keys(constants.user_settings)]
+					const baseFields = keys.join(", ")
+					const atFields = keys.map(k => "@"+k).join(", ")
+					db.prepare(`INSERT INTO Settings (${baseFields}) VALUES (${atFields})`).run({token, ...data})
+
+					return {
+						statusCode: 303,
+						headers: responseHeaders,
+						contentType: "text/html",
+						content: "Redirecting..."
+					}
+				})
+				.go()
+		}
+	}
+]