1 files changed, 60 insertions, 0 deletions
diff --git a/src/services/memory.ts b/src/services/memory.ts
new file mode 100644
index 0000000..74fa228
--- /dev/null
+++ b/src/services/memory.ts
@@ -0,0 +1,60 @@
+import { GObject, interval, property, readFileAsync, register } from "astal";
+import { memory as config } from "config";
+
+@register({ GTypeName: "Memory" })
+export default class Memory extends GObject.Object {
+    static instance: Memory;
+    static get_default() {
+        if (!this.instance) this.instance = new Memory();
+
+        return this.instance;
+    }
+
+    #total: number = 0;
+    #free: number = 0;
+    #used: number = 0;
+    #usage: number = 0;
+
+    @property(Number)
+    get total() {
+        return this.#total;
+    }
+
+    @property(Number)
+    get free() {
+        return this.#free;
+    }
+
+    @property(Number)
+    get used() {
+        return this.#used;
+    }
+
+    @property(Number)
+    get usage() {
+        return this.#usage;
+    }
+
+    async update() {
+        const info = await readFileAsync("/proc/meminfo");
+        this.#total = parseInt(info.match(/MemTotal:\s+(\d+)/)?.[1] ?? "0", 10) * 1024;
+        this.#free = parseInt(info.match(/MemAvailable:\s+(\d+)/)?.[1] ?? "0", 10) * 1024;
+
+        if (isNaN(this.#total)) this.#total = 0;
+        if (isNaN(this.#free)) this.#free = 0;
+
+        this.#used = this.#total - this.#free;
+        this.#usage = this.#total > 0 ? (this.#used / this.#total) * 100 : 0;
+
+        this.notify("total");
+        this.notify("free");
+        this.notify("used");
+        this.notify("usage");
+    }
+
+    constructor() {
+        super();
+
+        interval(config.interval, () => this.update().catch(console.error));
+    }
+}