diff --git a/src/app/jobs/process_scrobbles.zig b/src/app/jobs/process_scrobbles.zig
index 70c2976..bbfc9d4 100644
--- a/src/app/jobs/process_scrobbles.zig
+++ b/src/app/jobs/process_scrobbles.zig
@@ -14,14 +14,19 @@ const lastfm = @import("../../types.zig").LastFM;
 //              - logger:      Logger attached to the same stream as the Jetzig server.
 //              - environment: Enum of `{ production, development }`.
 pub fn run(allocator: std.mem.Allocator, params: *jetzig.data.Value, env: jetzig.jobs.JobEnv) !void {
-    _ = allocator;
     //_ = env;
+    const file = try std.fs.cwd().openFile("rules.json", .{ .mode = .read_only });
+    const file_content = try file.readToEndAlloc(allocator, 16_000_000);
+
+    const rules = try std.json.parseFromSliceLeaky(Rules, allocator, file_content, .{});
 
     if (params.getT(.array, "scrobbles")) |scrobbles| {
         for (scrobbles.items()) |item| {
             //const fixed_date: u32 = @as(u32, item.getT(.integer, "date").?);
             const scrobble: Scrobble = .{ .track = item.getT(.string, "track").?, .artist = item.getT(.string, "artist").?, .album = item.getT(.string, "album") orelse "", .date = @as(u64, @bitCast(@as(i64, @truncate(item.getT(.integer, "date").? * 1000)))) };
 
+            for (rules) |rule| {}
+
             // Make hashes
             //const album_hash = @as(i32, @bitCast(std.hash.Fnv1a_32.hash(scrobble.album)));
             //const artist_hash = @as(i32, @bitCast(std.hash.Fnv1a_32.hash(scrobble.artist)));
diff --git a/src/apply_rule.zig b/src/apply_rule.zig
new file mode 100644
index 0000000..871c996
--- /dev/null
+++ b/src/apply_rule.zig
@@ -0,0 +1,11 @@
+const Scrobble = @import("types").LastFMScrobble;
+const Rules = @import("types").Rules;
+
+pub fn applyRule(scrobble: Scrobble, rules: Rules) !Scrobble {
+    var output_scrobble: Scrobble = scrobble;
+    for (rules) |rule| {
+        for (rule.conditionals) |cond| {
+            switch (cond.match_cond) {}
+        }
+    }
+}
diff --git a/src/types.zig b/src/types.zig
index 55bca1c..00e063c 100644
--- a/src/types.zig
+++ b/src/types.zig
@@ -1,5 +1,3 @@
-const zeit = @import("zeit");
-
 pub const LastFMScrobble = struct {
     track: []const u8,
     artist: []const u8,
@@ -36,3 +34,27 @@ pub const SpotifyScrobble = struct {
     offline_timestamp: u64,
     incognito_mode: ?bool,
 };
+
+const Rule = struct {
+    name: []const u8,
+    conditionals: []struct {
+        match_on: MatchOn,
+        match_cond: enum { is, contains },
+        match_txt: []const u8,
+    },
+    actions: []struct {
+        action: []const u8,
+        action_on: enum { is, contains },
+        action_txt: []const u8,
+    },
+};
+
+const Rules = struct {
+    rules: []const Rule,
+};
+
+const MatchOn = enum {
+    artist,
+    album,
+    song,
+};