filter: Initial message filter implementation

Also a custom error type, tracing_subscriber, and unsafe impls

1 files changed, 73 insertions, 0 deletions

diff --git a/src/models.rs b/src/models.rs
index 09d5d7c..b8dd5b1 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -1,3 +1,9 @@
+use std::str::FromStr;
+
+use poise::AutocompleteChoice;
+
+use crate::errors::Error;
+
 /**
  * Describes a Reaction Role as it appears in SQL
  */
@@ -17,3 +23,70 @@ pub struct ReactionRole {
     /// The ID of the role to be toggled by the menu option
     pub role_id: String,
 }
+
+
+#[derive(Debug, Clone, sqlx::Type)]
+#[sqlx(type_name="filter_action", rename_all="lowercase")]
+pub enum FilterAction {
+    Review,
+    Delete
+}
+/**
+ * Describes a message filter as it appears in SQL
+ */
+
+#[derive(Debug, Clone, sqlx::FromRow)]
+pub struct MessageFilter {
+    /// Primary Key
+    pub id: i32,
+
+    /// Pattern
+    pub pattern: String,
+
+    pub action: FilterAction,
+
+    pub guild_id: String,
+}
+
+impl FromStr for FilterAction {
+    type Err = Error;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "review" => Ok(FilterAction::Review),
+            "delete" => Ok(FilterAction::Delete),
+            _ => {
+                return Err(Error::Unknown("invalid option".to_string()));
+            }
+        }
+    }
+}
+
+impl ToString for FilterAction {
+    fn to_string(&self) -> String {
+        match self {
+            FilterAction::Review => "Review".to_string(),
+            FilterAction::Delete => "Delete".to_string(),
+        }
+    }
+}
+
+impl ToString for MessageFilter {
+    fn to_string(&self) -> String {
+        format!("`{}`: {}", self.pattern, self.action.to_string())
+    }
+}
+
+impl From<FilterAction> for AutocompleteChoice<String> {
+    fn from(m: FilterAction) -> Self {
+        match m {
+            FilterAction::Review => AutocompleteChoice {
+                name: "Flag the message for review and send it to a channel for moderators".to_string(),
+                value: "review".to_string()
+            },
+            FilterAction::Delete => AutocompleteChoice {
+                name: "Deletes the message and logs the deletion in a channel for moderators".to_string(),
+                value: "delete".to_string()
+            }
+        }
+    }
+}