Move crates to toplevel directory

database/src/persons.rs

@@ -0,0 +1,65 @@
+use super::schema::persons;
+use super::{Database, Result};
+use diesel::prelude::*;
+use serde::{Deserialize, Serialize};
+
+/// A person that is a composer, an interpret or both.
+#[derive(Serialize, Deserialize, Insertable, Queryable, Debug, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct Person {
+    pub id: String,
+    pub first_name: String,
+    pub last_name: String,
+}
+
+impl Person {
+    /// Get the full name in the form "First Last".
+    pub fn name_fl(&self) -> String {
+        format!("{} {}", self.first_name, self.last_name)
+    }
+
+    /// Get the full name in the form "Last, First".
+    pub fn name_lf(&self) -> String {
+        format!("{}, {}", self.last_name, self.first_name)
+    }
+}
+
+impl Database {
+    /// Update an existing person or insert a new one.
+    pub fn update_person(&self, person: Person) -> Result<()> {
+        self.defer_foreign_keys()?;
+
+        self.connection.transaction(|| {
+            diesel::replace_into(persons::table)
+                .values(person)
+                .execute(&self.connection)
+        })?;
+
+        Ok(())
+    }
+
+    /// Get an existing person.
+    pub fn get_person(&self, id: &str) -> Result<Option<Person>> {
+        let person = persons::table
+            .filter(persons::id.eq(id))
+            .load::<Person>(&self.connection)?
+            .into_iter()
+            .next();
+
+        Ok(person)
+    }
+
+    /// Delete an existing person.
+    pub fn delete_person(&self, id: &str) -> Result<()> {
+        diesel::delete(persons::table.filter(persons::id.eq(id))).execute(&self.connection)?;
+
+        Ok(())
+    }
+
+    /// Get all existing persons.
+    pub fn get_persons(&self) -> Result<Vec<Person>> {
+        let persons = persons::table.load::<Person>(&self.connection)?;
+
+        Ok(persons)
+    }
+}