game-scanner 1.1.0

Game Scanner for any launcher and OS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161

use std::{
    convert::identity,
    path::{Path, PathBuf},
};

use crate::{
    error::{Error, ErrorKind, Result},
    prelude::{Game, GameCommands, GameState, GameType},
    utils::path::{fix_path_separator, get_filename},
};

use self::super::{
    proto::{product::ProductInstall, read_product},
    types::BlizzardGames,
};

pub fn read_all(file: &Path, launcher_executable: &Path) -> Result<Vec<Game>> {
    let database = read_product(file).map_err(|error| {
        Error::new(
            ErrorKind::InvalidManifest,
            format!("Invalid Blizzard manifest: {}", error.to_string()),
        )
    })?;

    let manifests = database
        .product_installs
        .into_iter()
        .filter(get_manifest_predicate)
        .collect::<Vec<ProductInstall>>();

    let mut games = Vec::new();

    for manifest in manifests {
        games.push(parse_manifest(&manifest, launcher_executable))
    }

    return Ok(games);
}

fn get_manifest_predicate(item: &ProductInstall) -> bool {
    item.product_code.ne("agent") && item.product_code.ne("bna")
}

pub fn read(id: &str, file: &Path, launcher_executable: &Path) -> Result<Game> {
    let database = read_product(file).map_err(|error| {
        Error::new(
            ErrorKind::InvalidManifest,
            format!("Invalid Blizzard manifest: {}", error.to_string()),
        )
    })?;

    let manifest = database
        .product_installs
        .into_iter()
        .find(|item| item.uid == id)
        .ok_or(Error::new(
            ErrorKind::GameNotFound,
            format!("Blizzard game with id ({}) does not exist", id),
        ))?;

    Ok(parse_manifest(&manifest, launcher_executable))
}

fn parse_manifest(manifest: &ProductInstall, launcher_executable: &Path) -> Game {
    let mut game_path = manifest
        .settings
        .clone()
        .map(|settings| settings.install_path)
        .map_or(PathBuf::new(), PathBuf::from);

    if cfg!(target_os = "windows") {
        game_path = fix_path_separator(&game_path);
    }

    let launch_code = BlizzardGames::from_uid(&manifest.uid).get_code();

    let installed = manifest
        .cached_product_state
        .clone()
        .map_or(true, |cached_product_state| {
            cached_product_state
                .base_product_state
                .map_or(true, |state| state.installed || state.playable)
        });

    let needs_update =
        manifest
            .cached_product_state
            .clone()
            .map_or(false, |cached_product_state| {
                cached_product_state
                    .base_product_state
                    .map_or(false, |state| !state.update_complete)
            });

    let downloading = manifest
        .cached_product_state
        .clone()
        .map_or(false, |cached_product_state| {
            cached_product_state
                .update_progress
                .map_or(false, |update_progress| {
                    update_progress.download_remaining > 0
                })
        });

    let total_bytes = manifest
        .cached_product_state
        .clone()
        .map_or(None, |product| {
            product.update_progress.map_or(None, |update_progress| {
                Some(update_progress.total_to_download)
            })
        });

    let received_bytes = manifest
        .cached_product_state
        .clone()
        .map_or(None, |product| {
            product.update_progress.map_or(None, |update_progress| {
                let total_to_download: i64 =
                    i64::try_from(update_progress.total_to_download).map_or(0, identity);

                let download_remaining: i64 =
                    i64::try_from(update_progress.download_remaining).map_or(0, identity);

                let mut received = total_to_download - download_remaining;

                if received < 0 {
                    received = download_remaining;
                }

                u64::try_from(received).map_or(None, Some)
            })
        });

    Game {
        _type: GameType::Blizzard.to_string(),
        id: String::from(&manifest.uid),
        name: get_filename(&game_path),
        path: Some(game_path),
        commands: GameCommands {
            install: Some(vec![
                launcher_executable.display().to_string(),
                format!("--game={}", launch_code),
            ]),
            launch: Some(vec![
                launcher_executable.display().to_string(),
                format!("--exec=\"launch {}\"", launch_code),
            ]),
            uninstall: None,
        },
        state: GameState {
            installed,
            needs_update,
            downloading,
            total_bytes,
            received_bytes,
        },
    }
}