allow list get put delete of files

rust/src/plant_hal.rs

@@ -2,6 +2,7 @@ use bq34z100::{Bq34Z100Error, Bq34z100g1, Bq34z100g1Driver};
 
 use ds323x::{DateTimeAccess, Ds323x};
 
+use eeprom24x::page_size::No;
 use eeprom24x::{Eeprom24x, SlaveAddr};
 use embedded_hal_bus::i2c::MutexDevice;
 use embedded_svc::wifi::{
@@ -13,6 +14,7 @@ use esp_idf_hal::adc::{attenuation, Resolution};
 use esp_idf_hal::i2c::{APBTickType, I2cConfig, I2cDriver, I2cError};
 use esp_idf_hal::units::FromValueType;
 use esp_idf_svc::eventloop::EspSystemEventLoop;
+use esp_idf_svc::io::vfs;
 use esp_idf_svc::ipv4::IpInfo;
 use esp_idf_svc::mqtt::client::QoS::AtLeastOnce;
 use esp_idf_svc::mqtt::client::QoS::ExactlyOnce;
@@ -50,7 +52,7 @@ use esp_idf_hal::prelude::Peripherals;
 use esp_idf_hal::reset::ResetReason;
 use esp_idf_svc::sntp::{self, SyncStatus};
 use esp_idf_svc::systime::EspSystemTime;
-use esp_idf_sys::{gpio_hold_dis, gpio_hold_en, vTaskDelay, EspError};
+use esp_idf_sys::{esp, esp_spiffs_check, f_opendir, gpio_hold_dis, gpio_hold_en, vTaskDelay, EspError};
 use one_wire_bus::OneWire;
 
 use crate::config::{self, Config};
@@ -174,21 +176,82 @@ pub struct FileInfo{
     size:usize
 }
 
+#[derive(Serialize, Debug)]
+pub struct FileList{
+    files: Vec<FileInfo>,
+    file_system_corrupt: Option<String>,
+    iter_error: Option<String>,
+}
+
 impl PlantCtrlBoard<'_> {
-    pub fn list_files(&self) -> Result<Vec<FileInfo>> {
-        let spiffs = Path::new(BASE_PATH);
-        let list = fs::read_dir(spiffs).unwrap().map(|dir| {
-            let file = dir.unwrap();
-            FileInfo{
-                filename: file.file_name().into_string().unwrap(),
-                size: file.metadata().unwrap().len() as usize
+    pub fn list_files(&self, filename:&str) -> FileList {
+        let storage = CString::new(SPIFFS_PARTITION_NAME).unwrap();
+        let error = unsafe {
+            esp!{
+                esp_spiffs_check(storage.as_ptr())
             }
-        });
-        return Ok(list.collect());
+        };
+        
+        let mut file_system_corrupt = match error {
+            OkStd(_) => {
+                None
+            },
+            Err(err) => {
+                println!("Corrupt spiffs {err:?}");
+                Some(format!("{err:?}"))
+            },
+        };
+        
+        let mut iter_error = None;
+        let mut result = Vec::new();
+
+        println!("Filename {filename}");
+        let filepath = Path::new(BASE_PATH);
+        let read_dir = fs::read_dir(filepath);
+        match read_dir {
+            OkStd(read_dir) => {
+                for item in read_dir {
+                    println!("start loop");
+                    match item {
+                        OkStd(file) => {
+                            let f = FileInfo{
+                                filename: file.file_name().into_string().unwrap(),
+                                size: file.metadata().and_then(|it| core::result::Result::Ok(it.len())).unwrap_or_default() as usize
+                            };
+                            println!("fileinfo {f:?}");
+                            result.push(f);
+                        },
+                        Err(err) => {
+                            iter_error = Some (format!("{err:?}"));
+                            break;
+                        },
+                    }          
+                }
+            },
+            Err(err) => {
+                file_system_corrupt = Some(format!("{err:?}"));
+            },
+        }
+
+        return FileList{
+            file_system_corrupt,
+            files: result,
+            iter_error
+        };
     }
 
-    pub fn get_file_handle(&self, filename:String, write:bool) -> Result<File> {
-        let filepath = Path::new(BASE_PATH).join(Path::new(&filename));
+    pub fn delete_file(&self, filename:&str) -> Result<()>{
+        let filepath = Path::new(BASE_PATH).join(Path::new(filename));
+        match (fs::remove_file(filepath)){
+            OkStd(_) => Ok(()),
+            Err(err) => {
+                bail!(format!("{err:?}"))
+            },
+        }
+    }
+
+    pub fn get_file_handle(&self, filename:&str, write:bool) -> Result<File> {
+        let filepath = Path::new(BASE_PATH).join(Path::new(filename));
         return Ok(if write {
             File::create(filepath)?
         } else {
@@ -417,7 +480,7 @@ impl PlantCtrlBoard<'_> {
                 .unwrap();
 
             let delay = Delay::new_default();
-            let measurement = 5000;
+            let measurement = 100;
             let factor = 1000 as f32 / measurement as f32;
 
             //give some time to stabilize
@@ -532,9 +595,11 @@ impl PlantCtrlBoard<'_> {
         let conf = esp_idf_sys::esp_vfs_spiffs_conf_t {
             base_path: base_path.as_ptr(),
             partition_label: storage.as_ptr(),
-            max_files: 2,
+            max_files: 5,
             format_if_mount_failed: true,
         };
+        
+        //TODO check fielsystem esp_spiffs_check
 
         unsafe {
             esp_idf_sys::esp!(esp_idf_sys::esp_vfs_spiffs_register(&conf))?;