refactor: Clean up some parts of data harvesting (#336)

10 files changed, 64 insertions, 300 deletions

diff --git a/.cargo-husky/hooks/pre-push b/.cargo-husky/hooks/pre-push
index 28871639..183d3365 100755
--- a/.cargo-husky/hooks/pre-push
+++ b/.cargo-husky/hooks/pre-push
@@ -4,8 +4,8 @@ set -e
 
 echo "Running pre-push hook:"
 
-echo "Executing: cargo clippy -- -D clippy::all"
-cargo clippy -- -D clippy::all
+echo "Executing: cargo clippy --all-targets --workspace -- -D warnings"
+cargo clippy --all-targets --workspace -- -D warnings
 
 # echo "Executing: cargo test"
 # cargo test
diff --git a/Cargo.lock b/Cargo.lock
index f1522e9f..11b7aeda 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -53,111 +53,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "async-channel"
-version = "1.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59740d83946db6a5af71ae25ddf9562c2b176b2ca42cf99a455f09f4a220d6b9"
-dependencies = [
- "concurrent-queue",
- "event-listener",
- "futures-core",
-]
-
-[[package]]
-name = "async-executor"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb877970c7b440ead138f6321a3b5395d6061183af779340b65e20c0fede9146"
-dependencies = [
- "async-task",
- "concurrent-queue",
- "fastrand",
- "futures-lite",
- "once_cell",
- "vec-arena",
-]
-
-[[package]]
-name = "async-fs"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b3ca4f8ff117c37c278a2f7415ce9be55560b846b5bc4412aaa5d29c1c3dae2"
-dependencies = [
- "async-lock",
- "blocking",
- "futures-lite",
-]
-
-[[package]]
-name = "async-io"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "458c8f66c246624e7cf87c01451f3392ab77d66a0f105a49d9353b30ea97ced8"
-dependencies = [
- "concurrent-queue",
- "fastrand",
- "futures-lite",
- "libc",
- "log",
- "nb-connect",
- "once_cell",
- "parking",
- "polling",
- "vec-arena",
- "waker-fn",
- "winapi",
-]
-
-[[package]]
-name = "async-lock"
-version = "2.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1996609732bde4a9988bc42125f55f2af5f3c36370e27c778d5191a4a1b63bfb"
-dependencies = [
- "event-listener",
-]
-
-[[package]]
-name = "async-net"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06de475c85affe184648202401d7622afb32f0f74e02192857d0201a16defbe5"
-dependencies = [
- "async-io",
- "blocking",
- "fastrand",
- "futures-lite",
-]
-
-[[package]]
-name = "async-process"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c8cea09c1fb10a317d1b5af8024eeba256d6554763e85ecd90ff8df31c7bbda"
-dependencies = [
- "async-io",
- "blocking",
- "cfg-if 0.1.10",
- "event-listener",
- "futures-lite",
- "once_cell",
- "signal-hook",
- "winapi",
-]
-
-[[package]]
-name = "async-task"
-version = "4.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e91831deabf0d6d7ec49552e489aed63b7456a7a3c46cff62adad428110b0af0"
-
-[[package]]
-name = "atomic-waker"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "065374052e7df7ee4047b1160cca5e1467a12351a40b3da123c870ba0b8eda2a"
-
-[[package]]
 name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -212,20 +107,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
-name = "blocking"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5e170dbede1f740736619b776d7251cb1b9095c435c34d8ca9f57fcd2f335e9"
-dependencies = [
- "async-channel",
- "async-task",
- "atomic-waker",
- "fastrand",
- "futures-lite",
- "once_cell",
-]
-
-[[package]]
 name = "bottom"
 version = "0.5.3"
 dependencies = [
@@ -250,7 +131,6 @@ dependencies = [
  "predicates",
  "regex",
  "serde",
- "smol",
  "sysinfo",
  "thiserror",
  "toml",
@@ -262,12 +142,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "cache-padded"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "631ae5198c9be5e753e5cc215e1bd73c2b466a3565173db433f52bb9d3e66dba"
-
-[[package]]
 name = "cargo-husky"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -335,15 +209,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "concurrent-queue"
-version = "1.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30ed07550be01594c6026cff2a1d7fe9c8f683caa798e12b68694ac9e88286a3"
-dependencies = [
- "cache-padded",
-]
-
-[[package]]
 name = "const_fn"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -507,21 +372,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
 [[package]]
-name = "event-listener"
-version = "2.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7531096570974c3a9dcf9e4b8e1cede1ec26cf5046219fb3b9d897503b9be59"
-
-[[package]]
-name = "fastrand"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca5faf057445ce5c9d4329e382b2ce7ca38550ef3b73a5348362d5f24e0c7fe3"
-dependencies = [
- "instant",
-]
-
-[[package]]
 name = "fern"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -588,21 +438,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "611834ce18aaa1bd13c4b374f5d653e1027cf99b6b502584ff8c9a64413b30bb"
 
 [[package]]
-name = "futures-lite"
-version = "1.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e6c079abfac3ab269e2927ec048dabc89d009ebfdda6b8ee86624f30c689658"
-dependencies = [
- "fastrand",
- "futures-core",
- "futures-io",
- "memchr",
- "parking",
- "pin-project-lite",
- "waker-fn",
-]
-
-[[package]]
 name = "futures-macro"
 version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -989,16 +824,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "nb-connect"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8123a81538e457d44b933a02faf885d3fe8408806b23fa700e8f01c6c3a98998"
-dependencies = [
- "libc",
- "winapi",
-]
-
-[[package]]
 name = "nix"
 version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1112,12 +937,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "parking"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "427c3892f9e783d91cc128285287e70a59e206ca452770ece88a76f7a3eddd72"
-
-[[package]]
 name = "parking_lot"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1164,12 +983,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "pin-project-lite"
-version = "0.1.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c917123afa01924fc84bb20c4c03f004d9c38e5127e3c039bbf7f4b9c76a2f6b"
-
-[[package]]
 name = "pin-utils"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1182,19 +995,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "feb3b2b1033b8a60b4da6ee470325f887758c95d5320f52f9ce0df055a55940e"
 
 [[package]]
-name = "polling"
-version = "2.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2a7bc6b2a29e632e45451c941832803a18cce6781db04de8a04696cdca8bde4"
-dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "log",
- "wepoll-sys",
- "winapi",
-]
-
-[[package]]
 name = "predicates"
 version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1412,24 +1212,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
 
 [[package]]
-name = "smol"
-version = "1.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85cf3b5351f3e783c1d79ab5fc604eeed8b8ae9abd36b166e8b87a089efd85e4"
-dependencies = [
- "async-channel",
- "async-executor",
- "async-fs",
- "async-io",
- "async-lock",
- "async-net",
- "async-process",
- "blocking",
- "futures-lite",
- "once_cell",
-]
-
-[[package]]
 name = "socket2"
 version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1606,12 +1388,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "vec-arena"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eafc1b9b2dfc6f5529177b62cf806484db55b32dc7c9658a118e11bbeb33061d"
-
-[[package]]
 name = "vec_map"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1633,12 +1409,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "waker-fn"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
-
-[[package]]
 name = "wasi"
 version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1651,15 +1421,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
-name = "wepoll-sys"
-version = "3.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fcb14dea929042224824779fbc82d9fab8d2e6d3cbc0ac404de8edf489e77ff"
-dependencies = [
- "cc",
-]
-
-[[package]]
 name = "widestring"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index 62e72140..2897398c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,6 @@ libc = "0.2"
 once_cell = "1.5.2"
 regex = "1.4.2"
 serde = {version = "1.0", features = ["derive"] }
-smol = "1.2.5"
 sysinfo = "0.15.3"
 thiserror = "1.0.22"
 toml = "0.5.7"
diff --git a/src/app/data_harvester.rs b/src/app/data_harvester.rs
index 0f59b54f..9cf8de62 100644
--- a/src/app/data_harvester.rs
+++ b/src/app/data_harvester.rs
@@ -272,7 +272,7 @@ impl DataCollector {
             }
         }
 
-        // Async if Heim
+        // I am *well* aware that the sysinfo part w/ blocking code is... not great.
         let network_data_fut = {
             #[cfg(any(target_os = "windows", target_arch = "aarch64", target_arch = "arm"))]
             {
@@ -307,17 +307,6 @@ impl DataCollector {
                 mem::get_mem_data(self.widgets_to_harvest.use_mem)
             }
         };
-        let swap_data_fut = {
-            #[cfg(any(target_arch = "aarch64", target_arch = "arm"))]
-            {
-                mem::get_swap_data(&self.sys, self.widgets_to_harvest.use_mem)
-            }
-
-            #[cfg(not(any(target_arch = "aarch64", target_arch = "arm")))]
-            {
-                mem::get_swap_data(self.widgets_to_harvest.use_mem)
-            }
-        };
         let disk_data_fut = {
             #[cfg(any(target_arch = "aarch64", target_arch = "arm"))]
             {
@@ -343,7 +332,7 @@ impl DataCollector {
         let temp_data_fut = {
             #[cfg(any(not(target_os = "linux"), target_arch = "aarch64", target_arch = "arm"))]
             {
-                temperature::arm_and_non_linux_temperature_data(
+                temperature::get_temperature_data(
                     &self.sys,
                     &self.temperature_type,
                     self.widgets_to_harvest.use_temp,
@@ -356,17 +345,16 @@ impl DataCollector {
                 target_arch = "arm"
             )))]
             {
-                temperature::linux_temperature_data(
+                temperature::get_temperature_data(
                     &self.temperature_type,
                     self.widgets_to_harvest.use_temp,
                 )
             }
         };
 
-        let (net_data, mem_res, swap_res, disk_res, io_res, temp_res) = join!(
+        let (net_data, mem_res, disk_res, io_res, temp_res) = join!(
             network_data_fut,
             mem_data_fut,
-            swap_data_fut,
             disk_data_fut,
             disk_io_usage_fut,
             temp_data_fut
@@ -388,14 +376,14 @@ impl DataCollector {
             }
         }
 
-        if let Ok(memory) = mem_res {
+        if let Ok(memory) = mem_res.0 {
             self.data.memory = memory;
             if log_enabled!(log::Level::Trace) {
                 trace!("mem: {:?} results", self.data.memory);
             }
         }
 
-        if let Ok(swap) = swap_res {
+        if let Ok(swap) = mem_res.1 {
             self.data.swap = swap;
             if log_enabled!(log::Level::Trace) {
                 trace!("swap: {:?} results", self.data.swap);
diff --git a/src/app/data_harvester/battery_harvester.rs b/src/app/data_harvester/battery_harvester.rs
index c4623cad..66e3c76b 100644
--- a/src/app/data_harvester/battery_harvester.rs
+++ b/src/app/data_harvester/battery_harvester.rs
@@ -1,5 +1,5 @@
 use battery::{
-    units::{power::watt, ratio::percent, time::second, Time},
+    units::{power::watt, ratio::percent, time::second},
     Battery, Manager,
 };
 
@@ -12,26 +12,28 @@ pub struct BatteryHarvest {
     pub health_percent: f64,
 }
 
-fn convert_optional_time_to_optional_seconds(optional_time: Option<Time>) -> Option<i64> {
-    if let Some(time) = optional_time {
-        Some(f64::from(time.get::<second>()) as i64)
-    } else {
-        None
-    }
-}
-
 pub fn refresh_batteries(manager: &Manager, batteries: &mut [Battery]) -> Vec<BatteryHarvest> {
     batteries
         .iter_mut()
         .filter_map(|battery| {
             if manager.refresh(battery).is_ok() {
                 Some(BatteryHarvest {
-                    secs_until_full: convert_optional_time_to_optional_seconds(
-                        battery.time_to_full(),
-                    ),
-                    secs_until_empty: convert_optional_time_to_optional_seconds(
-                        battery.time_to_empty(),
-                    ),
+                    secs_until_full: {
+                        let optional_time = battery.time_to_full();
+                        if let Some(time) = optional_time {
+                            Some(f64::from(time.get::<second>()) as i64)
+                        } else {
+                            None
+                        }
+                    },
+                    secs_until_empty: {
+                        let optional_time = battery.time_to_empty();
+                        if let Some(time) = optional_time {
+                            Some(f64::from(time.get::<second>()) as i64)
+                        } else {
+                            None
+                        }
+                    },
                     charge_percent: f64::from(battery.state_of_charge().get::<percent>()),
                     power_consumption_rate_watts: f64::from(battery.energy_rate().get::<watt>()),
                     health_percent: f64::from(battery.state_of_health().get::<percent>()),
diff --git a/src/app/data_harvester/disks.rs b/src/app/data_harvester/disks.rs
index cb7ca0f4..2d606c14 100644
--- a/src/app/data_harvester/disks.rs
+++ b/src/app/data_harvester/disks.rs
@@ -36,6 +36,7 @@ pub async fn get_disk_usage(
     sys: &sysinfo::System, actually_get: bool,
 ) -> crate::utils::error::Result<Option<Vec<DiskHarvest>>> {
     use sysinfo::{DiskExt, SystemExt};
+
     if !actually_get {
         return Ok(None);
     }
diff --git a/src/app/data_harvester/mem.rs b/src/app/data_harvester/mem.rs
index 5f91b40e..2a3730b9 100644
--- a/src/app/data_harvester/mem.rs
+++ b/src/app/data_harvester/mem.rs
@@ -1,3 +1,5 @@
+use futures::join;
+
 #[derive(Debug, Clone)]
 pub struct MemHarvest {
     pub mem_total_in_mb: u64,
@@ -16,11 +18,20 @@ impl Default for MemHarvest {
 #[cfg(any(target_arch = "aarch64", target_arch = "arm"))]
 pub async fn get_mem_data(
     sys: &sysinfo::System, actually_get: bool,
-) -> crate::utils::error::Result<Option<MemHarvest>> {
-    use sysinfo::SystemExt;
+) -> (
+    crate::utils::error::Result<Option<MemHarvest>>,
+    crate::utils::error::Result<Option<MemHarvest>>,
+) {
     if !actually_get {
-        return Ok(None);
+        (Ok(None), Ok(None))
+    } else {
+        (get_ram_data(sys), get_swap_data(sys))
     }
+}
+
+#[cfg(any(target_arch = "aarch64", target_arch = "arm"))]
+pub fn get_ram_data(sys: &sysinfo::System) -> crate::utils::error::Result<Option<MemHarvest>> {
+    use sysinfo::SystemExt;
 
     Ok(Some(MemHarvest {
         mem_total_in_mb: sys.get_total_memory() / 1024,
@@ -29,13 +40,8 @@ pub async fn get_mem_data(
 }
 
 #[cfg(any(target_arch = "aarch64", target_arch = "arm"))]
-pub async fn get_swap_data(
-    sys: &sysinfo::System, actually_get: bool,
-) -> crate::utils::error::Result<Option<MemHarvest>> {
+pub fn get_swap_data(sys: &sysinfo::System) -> crate::utils::error::Result<Option<MemHarvest>> {
     use sysinfo::SystemExt;
-    if !actually_get {
-        return Ok(None);
-    }
 
     Ok(Some(MemHarvest {
         mem_total_in_mb: sys.get_total_swap() / 1024,
@@ -44,11 +50,21 @@ pub async fn get_swap_data(
 }
 
 #[cfg(not(any(target_arch = "aarch64", target_arch = "arm")))]
-pub async fn get_mem_data(actually_get: bool) -> crate::utils::error::Result<Option<MemHarvest>> {
+pub async fn get_mem_data(
+    actually_get: bool,
+) -> (
+    crate::utils::error::Result<Option<MemHarvest>>,
+    crate::utils::error::Result<Option<MemHarvest>>,
+) {
     if !actually_get {
-        return Ok(None);
+        (Ok(None), Ok(None))
+    } else {
+        join!(get_ram_data(), get_swap_data())
     }
+}
 
+#[cfg(not(any(target_arch = "aarch64", target_arch = "arm")))]
+pub async fn get_ram_data() -> crate::utils::error::Result<Option<MemHarvest>> {
     let memory = heim::memory::memory().await?;
 
     Ok(Some(MemHarvest {
@@ -61,11 +77,7 @@ pub async fn get_mem_data(actually_get: bool) -> crate::utils::error::Result<Opt
 }
 
 #[cfg(not(any(target_arch = "aarch64", target_arch = "arm")))]
-pub async fn get_swap_data(actually_get: bool) -> crate::utils::error::Result<Option<MemHarvest>> {
-    if !actually_get {
-        return Ok(None);
-    }
-
+pub async fn get_swap_data() -> crate::utils::error::Result<Option<MemHarvest>> {
     let memory = heim::memory::swap().await?;
 
     Ok(Some(MemHarvest {
diff --git a/src/app/data_harvester/network.rs b/src/app/data_harvester/network.rs
index 9b37fc7a..9836cfb0 100644
--- a/src/app/data_harvester/network.rs
+++ b/src/app/data_harvester/network.rs
@@ -15,7 +15,6 @@ impl NetworkHarvest {
     }
 }
 
-/// Meant for Windows and ARM use.
 #[cfg(any(target_os = "windows", target_arch = "aarch64", target_arch = "arm"))]
 pub async fn get_network_data(
     sys: &sysinfo::System, prev_net_access_time: Instant, prev_net_rx: &mut u64,
diff --git a/src/app/data_harvester/processes.rs b/src/app/data_harvester/processes.rs
index a79f8585..df7ae032 100644
--- a/src/app/data_harvester/processes.rs
+++ b/src/app/data_harvester/processes.rs
@@ -404,7 +404,10 @@ pub fn get_process_data(
 
         Ok(process_vector)
     } else {
-        Ok(Vec::new())
+        trace!("Could not calculate CPU usage.");
+        Err(BottomError::GenericError(
+            "Could not calculate CPU usage.".to_string(),
+        ))
     }
 }
 
diff --git a/src/app/data_harvester/temperature.rs b/src/app/data_harvester/temperature.rs
index 59fad22a..c3925ceb 100644
--- a/src/app/data_harvester/temperature.rs
+++ b/src/app/data_harvester/temperature.rs
@@ -20,13 +20,16 @@ impl Default for TemperatureType {
     }
 }
 
-/// Meant for ARM and non-Linux usage.
 #[cfg(any(not(target_os = "linux"), target_arch = "aarch64", target_arch = "arm"))]
-pub async fn arm_and_non_linux_temperature_data(
+pub async fn get_temperature_data(
     sys: &sysinfo::System, temp_type: &TemperatureType, actually_get: bool,
 ) -> crate::utils::error::Result<Option<Vec<TempHarvest>>> {
     use sysinfo::{ComponentExt, SystemExt};
 
+    if !actually_get {
+        return Ok(None);
+    }
+
     fn convert_celsius_to_kelvin(celsius: f32) -> f32 {
         celsius + 273.15
     }
@@ -35,10 +38,6 @@ pub async fn arm_and_non_linux_temperature_data(
         (celsius * (9.0 / 5.0)) + 32.0
     }
 
-    if !actually_get {
-        return Ok(None);
-    }
-
     let mut temperature_vec: Vec<TempHarvest> = Vec::new();
 
     let sensor_data = sys.get_components();
@@ -61,7 +60,7 @@ pub async fn arm_and_non_linux_temperature_data(
 }
 
 #[cfg(not(any(not(target_os = "linux"), target_arch = "aarch64", target_arch = "arm")))]
-pub async fn linux_temperature_data(
+pub async fn get_temperature_data(
     temp_type: &TemperatureType, actually_get: bool,
 ) -> crate::utils::error::Result<Option<Vec<TempHarvest>>> {
     use futures::StreamExt;