From e0fd84b40da64e11292f4ab61baf79c03742a421 Mon Sep 17 00:00:00 2001
From: sharkAndshar <zhangyijunmetro@hotmail.com>
Date: Fri, 13 Dec 2024 15:36:20 +0800
Subject: [PATCH] add min_zoom and max_zoom to tilejson

---
 martin/src/cog/mod.rs                   | 10 +++++++---
 tests/expected/auto/rgb_u8.json         |  4 +++-
 tests/expected/auto/rgba_u8.json        |  4 +++-
 tests/expected/auto/rgba_u8_nodata.json |  4 +++-
 4 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/martin/src/cog/mod.rs b/martin/src/cog/mod.rs
index 1ea26637c..3ffc7d77e 100644
--- a/martin/src/cog/mod.rs
+++ b/martin/src/cog/mod.rs
@@ -215,9 +215,9 @@ impl ConfigExtras for CogConfig {
 
 impl SourceConfigExtras for CogConfig {
     async fn new_sources(&self, id: String, path: PathBuf) -> FileResult<Box<dyn Source>> {
-        let tilejson = get_tilejson();
         let tileinfo = TileInfo::new(Format::Png, martin_tile_utils::Encoding::Uncompressed);
         let meta = get_meta(&path)?;
+        let tilejson = get_tilejson(meta.min_zoom, meta.max_zoom);
         Ok(Box::new(CogSource {
             id,
             path,
@@ -238,8 +238,12 @@ impl SourceConfigExtras for CogConfig {
 }
 
 //todo add more to tileJson
-fn get_tilejson() -> TileJSON {
-    tilejson! {tiles: vec![] }
+fn get_tilejson(min_zoom: u8, max_zoom: u8) -> TileJSON {
+    tilejson! {
+        tiles: vec![],
+        minzoom: min_zoom,
+        maxzoom: max_zoom
+    }
 }
 
 fn get_meta(path: &PathBuf) -> Result<Meta, FileError> {
diff --git a/tests/expected/auto/rgb_u8.json b/tests/expected/auto/rgb_u8.json
index 0973270ba..f9e3fa4c8 100644
--- a/tests/expected/auto/rgb_u8.json
+++ b/tests/expected/auto/rgb_u8.json
@@ -2,5 +2,7 @@
   "tilejson": "3.0.0",
   "tiles": [
     "http://localhost:3111/rgb_u8/{z}/{x}/{y}"
-  ]
+  ],
+  "maxzoom": 3,
+  "minzoom": 0
 }
diff --git a/tests/expected/auto/rgba_u8.json b/tests/expected/auto/rgba_u8.json
index 088afd2e3..93c37fb01 100644
--- a/tests/expected/auto/rgba_u8.json
+++ b/tests/expected/auto/rgba_u8.json
@@ -2,5 +2,7 @@
   "tilejson": "3.0.0",
   "tiles": [
     "http://localhost:3111/rgba_u8/{z}/{x}/{y}"
-  ]
+  ],
+  "maxzoom": 3,
+  "minzoom": 0
 }
diff --git a/tests/expected/auto/rgba_u8_nodata.json b/tests/expected/auto/rgba_u8_nodata.json
index 4c39b09b0..744c13547 100644
--- a/tests/expected/auto/rgba_u8_nodata.json
+++ b/tests/expected/auto/rgba_u8_nodata.json
@@ -2,5 +2,7 @@
   "tilejson": "3.0.0",
   "tiles": [
     "http://localhost:3111/rgba_u8_nodata/{z}/{x}/{y}"
-  ]
+  ],
+  "maxzoom": 2,
+  "minzoom": 0
 }