Add some data access methods to Connection

backend/src/model.rs

@@ -1,44 +1,57 @@
-struct Recipe {
-    title: String,
-    estimate_time: Option<i32>, // [min].
-    difficulty: Option<Difficulty>,
+pub struct Recipe {
+    pub id: i32,
+    pub title: String,
+    pub estimate_time: Option<i32>, // [min].
+    pub difficulty: Option<Difficulty>,
 
     //ingredients: Vec<Ingredient>, // For four people.
-    process: Vec<Group>,
+    pub process: Vec<Group>,
 }
 
-struct Ingredient {
-    quantity: Option<Quantity>,
-    name: String,
+impl Recipe {
+    pub fn new(id: i32, title: String) -> Recipe {
+        Recipe {
+            id,
+            title,
+            estimate_time: None,
+            difficulty: None,
+            process: Vec::new(),
+        }
+    }
 }
 
-struct Quantity {
-    value: f32,
-    unit: String,
+pub struct Ingredient {
+    pub quantity: Option<Quantity>,
+    pub name: String,
 }
 
-struct Group {
-    name: Option<String>,
-    steps: Vec<Step>,
+pub struct Quantity {
+    pub value: f32,
+    pub unit: String,
 }
 
-struct Step {
-    action: String,
-    input: Vec<StepInput>,
-    output: Vec<IntermediateSubstance>,
+pub struct Group {
+    pub name: Option<String>,
+    pub steps: Vec<Step>,
 }
 
-struct IntermediateSubstance {
-    name: String,
-    quantity: Option<Quantity>,
+pub struct Step {
+    pub action: String,
+    pub input: Vec<StepInput>,
+    pub output: Vec<IntermediateSubstance>,
 }
 
-enum StepInput {
+pub struct IntermediateSubstance {
+    pub name: String,
+    pub quantity: Option<Quantity>,
+}
+
+pub enum StepInput {
     Ingredient(Ingredient),
     IntermediateSubstance(IntermediateSubstance),
 }
 
-enum Difficulty {
+pub enum Difficulty {
     Unknown,
     Easy,
     Medium,