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Allow multiple conditions in rules.

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Scrobble processing appears noticeably slower (according to the logs), so I think rules are going to be something to optimize later. Fortunately, they shouldn't need to be applied too often
This commit is contained in:
mitteneer 2025-04-22 13:50:39 -04:00
parent 77170a1e28
commit e9c72041a5
6 changed files with 67 additions and 97 deletions
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28
src/apply_rule.zig
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@ -2,17 +2,33 @@ const std = @import("std");
const Scrobble = @import("./types.zig").LastFMScrobble;
const Rules = @import("./types.zig").Rules;
// Wrapper for containsAtLeast to make the switch below to work
fn containsAtLeastOne(haystack: []const u8, needle: []const u8) bool {
return std.mem.containsAtLeast(u8, haystack, 1, needle);
}
fn eqlDecomped(haystack: []const u8, needle: []const u8) bool {
return std.mem.eql(u8, haystack, needle);
}
pub fn applyScrobbleRule(scrobble: Scrobble, rules: Rules) Scrobble {
var match_found: bool = true;
var output_scrobble: Scrobble = scrobble;
for (rules.rules) |rule| {
var match_found: bool = switch (rule.cond_req) {
.any => false,
.all => true,
};
for (rule.conditionals) |cond| {
switch (cond.match_cond) {
.is => switch (cond.match_on) {
inline else => |on| match_found = match_found and std.mem.eql(u8, @field(scrobble, @tagName(on)), cond.match_txt),
const match_fn: *const fn ([]const u8, []const u8) bool = switch (cond.match_cond) {
.is => eqlDecomped,
.contains => containsAtLeastOne,
};
switch (rule.cond_req) {
.any => switch (cond.match_on) {
inline else => |on| match_found = match_found or match_fn(@field(scrobble, @tagName(on)), cond.match_txt),
},
.contains => switch (cond.match_on) {
inline else => |on| match_found = match_found and std.mem.containsAtLeast(u8, @field(scrobble, @tagName(on)), 1, cond.match_txt),
.all => switch (cond.match_on) {
inline else => |on| match_found = match_found and match_fn(@field(scrobble, @tagName(on)), cond.match_txt),
},
}
}