Mercurial > minori
annotate src/core/filesystem.cc @ 383:27c462bc7815
make the "Now Playing" page actually work
| author | Paper <paper@tflc.us> |
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| date | Thu, 06 Nov 2025 07:10:58 -0500 |
| parents | 0265e125f680 |
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| rev | line source |
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| 36 | 1 #include "core/filesystem.h" |
| 15 | 2 #include "core/config.h" |
| 62 | 3 #include "core/strings.h" |
| 250 | 4 |
| 5 #include <QStandardPaths> | |
| 6 | |
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7 #include <filesystem> |
| 2 | 8 |
| 11 | 9 namespace Filesystem { |
| 10 | |
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11 /* this runs fs::create_directories() on the |
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12 PARENT directory. */ |
| 369 | 13 void CreateDirectories(const std::filesystem::path &path) |
| 14 { | |
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15 if (path.empty()) |
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16 return; |
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17 |
| 369 | 18 const auto &parent = path.parent_path(); |
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19 if (!std::filesystem::exists(parent)) |
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20 std::filesystem::create_directories(parent); |
| 11 | 21 } |
| 22 | |
| 369 | 23 std::filesystem::path GetDotPath() |
| 24 { | |
| 250 | 25 /* |
| 26 * Windows: ~/AppData/Roaming/Minori | |
| 27 * macOS: ~/Library/Application Support/Minori | |
| 28 * ...: ~/.config/minori | |
| 29 * | |
| 30 * FIXME: are windows and mac properly cased? | |
| 258 | 31 */ |
| 9 | 32 #ifdef WIN32 |
| 250 | 33 return Strings::ToUtf8String(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)); |
| 34 #else | |
| 35 return Strings::ToUtf8String(QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation)); | |
| 36 #endif | |
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37 } |
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38 |
| 369 | 39 std::filesystem::path GetConfigPath() |
| 40 { | |
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41 return GetDotPath() / CONFIG_NAME; |
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42 } |
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43 |
| 369 | 44 std::filesystem::path GetAnimeDBPath() |
| 45 { | |
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46 return GetDotPath() / "anime" / "db.json"; |
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47 } |
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48 |
| 369 | 49 std::filesystem::path GetTorrentsPath() |
| 50 { | |
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51 return GetDotPath() / "torrents"; |
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52 } |
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53 |
| 378 | 54 std::filesystem::path GetAnimePostersPath() |
| 55 { | |
| 56 return GetDotPath() / "anime" / "posters"; | |
| 57 } | |
| 58 | |
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59 /* ------------------------------------------------------------------------ */ |
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60 /* Ehhhhh */ |
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61 |
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62 class Watcher : public IWatcher { |
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63 public: |
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64 Watcher(void *opaque, const std::filesystem::path &path, EventHandler handler) |
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65 : path_(path) |
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66 , handler_(handler) |
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67 , opaque_(opaque) |
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68 { |
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69 } |
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70 |
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71 virtual ~Watcher() override |
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72 { |
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73 } |
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74 |
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75 protected: |
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76 std::filesystem::path path_; |
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77 EventHandler handler_; |
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78 void *opaque_; |
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79 }; |
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80 |
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81 /* ------------------------------------------------------------------------ */ |
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82 /* Non-recursive filesystem watcher. |
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83 * This is the portable version for non-Windows */ |
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84 |
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85 template<typename T> |
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86 class StdFilesystemWatcher : public Watcher { |
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87 public: |
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88 StdFilesystemWatcher(void *opaque, const std::filesystem::path &path, EventHandler handler) |
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89 : Watcher(opaque, path, handler) |
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90 { |
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91 } |
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92 |
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93 virtual ~StdFilesystemWatcher() override |
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94 { |
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95 } |
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96 |
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97 virtual void Process() override |
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98 { |
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99 /* Untoggle all paths. This allows us to only ever |
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100 * iterate over the directory ONCE. */ |
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101 UntoggleAllPaths(); |
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102 |
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103 for (const auto &item : T(path_)) { |
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104 std::filesystem::path p = item.path(); |
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105 |
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106 if (FindAndTogglePath(p)) |
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107 continue; |
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108 |
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109 /* Hand the path off to the listener */ |
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110 handler_(opaque_, p, Event::Created); |
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111 paths_.push_back({true, p}); |
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112 } |
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113 |
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114 DeleteUntoggledPaths(); |
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115 } |
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116 |
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117 protected: |
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118 bool FindAndTogglePath(const std::filesystem::path &p) { |
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119 for (auto &pp : paths_) { |
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120 if (pp.path == p) { |
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121 pp.found = true; |
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122 return true; |
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123 } |
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124 } |
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125 |
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126 return false; |
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127 } |
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128 |
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129 void UntoggleAllPaths() |
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130 { |
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131 for (auto &pp : paths_) |
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132 pp.found = false; |
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133 } |
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134 |
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135 void DeleteUntoggledPaths() |
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136 { |
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137 for (const auto &path : paths_) |
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138 if (!path.found) |
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139 handler_(opaque_, path.path, Event::Deleted); |
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140 |
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141 auto it = paths_.begin(); |
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142 |
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143 while (it != paths_.end()) { |
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144 if (!it->found) { |
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145 it = paths_.erase(it); |
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146 } else { |
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147 it++; |
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148 } |
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149 } |
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150 } |
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151 |
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152 struct PathStatus { |
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153 bool found; |
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154 std::filesystem::path path; |
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155 }; |
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156 |
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157 /* TODO this is probably DAMN slow */ |
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158 std::vector<PathStatus> paths_; |
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159 }; |
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160 |
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161 IWatcher *GetRecursiveFilesystemWatcher(void *opaque, |
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162 const std::filesystem::path &path, IWatcher::EventHandler handler) |
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163 { |
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164 /* .... :) */ |
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165 return new StdFilesystemWatcher<std::filesystem::recursive_directory_iterator>(opaque, path, handler); |
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166 } |
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167 |
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168 IWatcher *GetFilesystemWatcher(void *opaque, const std::filesystem::path &path, IWatcher::EventHandler handler) |
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169 { |
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170 return new StdFilesystemWatcher<std::filesystem::directory_iterator>(opaque, path, handler); |
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171 } |
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172 |
| 15 | 173 } // namespace Filesystem |
