dalsie cvicenie

JR-priprava-na-skusku6/Cargo.lock

@@ -7,8 +7,21 @@ name = "JR-priprava-na-skusku6"
 version = "0.1.0"
 dependencies = [
  "serde",
+ "serde_json",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
+
+[[package]]
+name = "memchr"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.106"
@@ -57,6 +70,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.149"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
+dependencies = [
+ "itoa",
+ "memchr",
+ "serde",
+ "serde_core",
+ "zmij",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.115"
@@ -73,3 +99,9 @@ name = "unicode-ident"
 version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "537dd038a89878be9b64dd4bd1b260315c1bb94f4d784956b81e27a088d9a09e"
+
+[[package]]
+name = "zmij"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"

JR-priprava-na-skusku6/Cargo.toml

@@ -5,3 +5,4 @@ edition = "2024"
 
 [dependencies]
 serde = { version = "1.0.228", features = ["derive"] }
+serde_json = "1.0.149"

JR-priprava-na-skusku6/src/lib.rs

@@ -1,6 +1,7 @@
 use serde::Deserialize;
 use serde::Serialize;
 use std::fmt;
+use std::fs;
 
 #[derive(Default, Serialize, Deserialize, PartialEq, Clone)]
 pub enum Zaner {
@@ -69,3 +70,19 @@ impl fmt::Display for Stav {
         }
     }
 }
+
+impl Filmoteka {
+    pub fn nacitaj_zo_suboru(cesta: &std::path::PathBuf) -> Option<Filmoteka> {
+        let raw = fs::read_to_string(cesta).ok()?;
+        let result = serde_json::from_str(&raw).ok();
+        result
+    }
+
+    pub fn uloz_do_suboru(&self, cesta: &std::path::PathBuf) -> bool {
+        let Ok(json) = serde_json::to_string_pretty(&self) else {
+            return false;
+        };
+        fs::write(cesta, json).is_ok()
+    }
+
+}