Switch to Postgres (#39)

* WIP Switch to Postgres

* feat(postgres): more work on porting to postgres, now compiles

* feat(docker-compose): Changed the docker-compose.yml file to use postgres.

* Update docker, documentation, gh actions...

* Remove bson dependency

* Remove bson import

* feat: move mock filehost to trait rather than cargo feature

* feat(postgres): transactions for mod creation, multipart refactor

* fix: Add Cargo.lock so that sqlx functions

* Update sqlx offline build data

* fix: Use SQLX_OFFLINE to force sqlx into offline mode for CI

* Default release channels

* feat(postgres): refactor database models to fit postgres models

* fix: Fix sqlx prepare, fix double allocation in indexing

* Add dockerfile (#40)

Co-authored-by: Charalampos Fanoulis <charalampos.fanoulis@gmail.com>

Co-authored-by: Aeledfyr <aeledfyr@gmail.com>
Co-authored-by: redblueflame <contact@redblueflame.com>
Co-authored-by: Jai A <jai.a@tuta.io>
Co-authored-by: Valentin Ricard <redblueflame1@gmail.Com>
Co-authored-by: Charalampos Fanoulis <charalampos.fanoulis@gmail.com>

src/file_hosting/mock.rs

@@ -0,0 +1,51 @@
+use super::{DeleteFileData, FileHost, FileHostingError, UploadFileData};
+use async_trait::async_trait;
+
+pub struct MockHost(());
+
+impl MockHost {
+    pub fn new() -> Self {
+        MockHost(())
+    }
+}
+
+#[async_trait]
+impl FileHost for MockHost {
+    async fn upload_file(
+        &self,
+        content_type: &str,
+        file_name: &str,
+        file_bytes: Vec<u8>,
+    ) -> Result<UploadFileData, FileHostingError> {
+        let path = std::path::Path::new(&dotenv::var("MOCK_FILE_PATH").unwrap())
+            .join(file_name.replace("../", ""));
+        std::fs::create_dir_all(path.parent().ok_or(FileHostingError::InvalidFilename)?)?;
+        let content_sha1 = sha1::Sha1::from(&file_bytes).hexdigest();
+
+        std::fs::write(path, &file_bytes)?;
+        Ok(UploadFileData {
+            file_id: String::from("MOCK_FILE_ID"),
+            file_name: file_name.to_string(),
+            content_length: file_bytes.len() as u32,
+            content_sha1,
+            content_md5: None,
+            content_type: content_type.to_string(),
+            upload_timestamp: chrono::Utc::now().timestamp_millis() as u64,
+        })
+    }
+
+    async fn delete_file_version(
+        &self,
+        file_id: &str,
+        file_name: &str,
+    ) -> Result<DeleteFileData, FileHostingError> {
+        let path = std::path::Path::new(&dotenv::var("MOCK_FILE_PATH").unwrap())
+            .join(file_name.replace("../", ""));
+        std::fs::remove_file(path)?;
+
+        Ok(DeleteFileData {
+            file_id: file_id.to_string(),
+            file_name: file_name.to_string(),
+        })
+    }
+}