From b4a800f96ece3b71d37c8f5e6e37b1d929350b26 Mon Sep 17 00:00:00 2001
From: Eguzki Astiz Lezaun <eastizle@redhat.com>
Date: Mon, 23 Sep 2024 23:44:13 +0200
Subject: [PATCH] wip

---
 Cargo.lock                 | 48 ++++++++++++++++++++++++++++++++++++++
 Cargo.toml                 |  1 +
 src/datetime_tag_writer.rs | 15 ++++++++++--
 src/parser.rs              |  6 +++++
 src/stats.rs               |  1 -
 5 files changed, 68 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 93d64b3..6ffd668 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,12 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "adler2"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -173,6 +179,21 @@ version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
+[[package]]
+name = "crc"
+version = "3.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69e6e4d7b33a94f0991c26729976b10ebde1d34c3ee82408fb536164fa10d636"
+dependencies = [
+ "crc-catalog",
+]
+
+[[package]]
+name = "crc-catalog"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
+
 [[package]]
 name = "equivalent"
 version = "1.0.1"
@@ -266,6 +287,17 @@ version = "0.2.153"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
 
+[[package]]
+name = "little_exif"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91291278cdc046db655fd951010d5dad42cef2daf138c694111479e81e716dfd"
+dependencies = [
+ "crc",
+ "miniz_oxide",
+ "paste",
+]
+
 [[package]]
 name = "log"
 version = "0.4.20"
@@ -278,6 +310,15 @@ version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2d80299ef12ff69b16a84bb182e3b9df68b5a91574d3d4fa6e41b65deec4df1"
+dependencies = [
+ "adler2",
+]
+
 [[package]]
 name = "mutate_once"
 version = "0.1.1"
@@ -299,6 +340,12 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.78"
@@ -411,6 +458,7 @@ dependencies = [
  "clap",
  "filetime",
  "kamadak-exif",
+ "little_exif",
  "regex",
  "serde",
  "serde_yaml",
diff --git a/Cargo.toml b/Cargo.toml
index d963f5c..a886b77 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,3 +14,4 @@ regex = "1.10"
 chrono = "0.4.34"
 filetime = "0.2"
 kamadak-exif = "0.5.5"
+little_exif = "0.4.0"
diff --git a/src/datetime_tag_writer.rs b/src/datetime_tag_writer.rs
index 2dd8126..6e59739 100644
--- a/src/datetime_tag_writer.rs
+++ b/src/datetime_tag_writer.rs
@@ -1,6 +1,17 @@
 use chrono::{DateTime, Utc};
+use little_exif::exif_tag::ExifTag;
+use little_exif::metadata::Metadata;
 use std::path::Path;
 
-pub fn write_tag(path: &Path, dateTag: DateTime<Utc>) -> Result<(), String> {
-    return Ok(());
+pub fn write_tag(path: &Path, date_tag: DateTime<Utc>) -> Result<(), String> {
+    let mut metadata = match Metadata::new_from_path(path) {
+        Ok(metadata) => metadata,
+        Err(e) => return Err(e.to_string()),
+    };
+
+    metadata.set_tag(ExifTag::CreateDate(date_tag.to_string()));
+    match metadata.write_to_file(path) {
+        Ok(_) => Ok(()),
+        Err(e) => return Err(e.to_string()),
+    }
 }
diff --git a/src/parser.rs b/src/parser.rs
index fe99611..6ff73cf 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -1,6 +1,12 @@
 use chrono::{DateTime, Utc};
 use regex::Regex;
 
+#[derive(Clone, Debug)]
+pub struct DateTimeUtc(pub DateTime<Utc>);
+
+// https://github.com/waltzofpearls/dateparser/blob/main/dateparser/src/lib.rs
+// https://github.com/waltzofpearls/dateparser/blob/main/dateparser/src/datetime.rs#L26
+
 pub struct Parser {
     patterns: Vec<Regex>,
 }
diff --git a/src/stats.rs b/src/stats.rs
index 3aa0194..254548f 100644
--- a/src/stats.rs
+++ b/src/stats.rs
@@ -83,7 +83,6 @@ impl FromIterator<DirEntry> for Stats {
                 }
             };
         }
-
         s
     }
 }