fixed compiler errors

also manually fixed scheme, as the automatic mapping uses Integer on PRIMARY KEY INTEGER, Integer manually replaced by BigInt

model/sqlite3/Cargo.toml

@@ -7,4 +7,7 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+chrono = { features = ["serde"] }
 diesel = { version = "*", features = ["sqlite"] }
+serde =  { version = "1.0" , features = ["derive"]}
+# serde_json = "1.0"

model/sqlite3/src/db/models.rs

@@ -1,19 +1,20 @@
-use super::schema::*;
+use chrono::{DateTime, Utc};
+use serde::Serialize;
 
 #[derive(Serialize, Queryable)]
 pub struct User {
-    id: i64,
-    nickname: String,
-    pronouns: String,
-    address_1_name: String,
-    address_2_additional: String,
-    address_4_street: String,
-    adress_house_number: String,
-    adress_city_code: String,
-    adress_country: String,
-    Ehrenaemter: String,
-    gravatar_email: String,
-    Freitext: String,
+    pub id: Option<i64>,
+    pub nickname: Option<String>,
+    pub pronouns: Option<String>,
+    pub address_1_name: Option<String>,
+    pub address_2_additional: Option<String>,
+    pub address_4_street: Option<String>,
+    pub adress_house_number: Option<String>,
+    pub adress_city_code: Option<String>,
+    pub adress_country: Option<String>,
+    pub ehrenaemter: Option<String>,
+    pub gravatar_email: Option<String>,
+    pub freitext: Option<String>,
 }
 
 #[derive(Serialize, Queryable)]
@@ -30,11 +31,11 @@ pub struct UserLanguage {
 
     user_id: i64,
     language_id: i64,
-    level: i64,
+    level: i32,
 }
 
 #[derive(Serialize, Queryable)]
-pub struct skill {
+pub struct Skill {
     id: i64,
     name: String,
 }
@@ -44,8 +45,8 @@ pub struct UserExperience {
     id: i64,
     user_id: i64,
     description: String,
-    start: Date,
-    end: Date,
+    start: DateTime<Utc>,
+    end: DateTime<Utc>,
 }
 
 #[derive(Serialize, Queryable)]
@@ -70,13 +71,13 @@ pub struct Topic {
 }
 
 #[derive(Serialize, Queryable)]
-pub struct language {
+pub struct Language {
     id: i64,
     name: String,
 }
 
 #[derive(Serialize, Queryable)]
-pub struct experience {
+pub struct Experience {
     id: i64,
     name: String,
 }

model/sqlite3/src/db/schema.rs

@@ -1,51 +1,51 @@
 table! {
     contact_types (id) {
-        id -> Nullable<Integer>,
+        id -> Nullable<BigInt>,
         name -> Nullable<Text>,
     }
 }
 
 table! {
     experiences (id) {
-        id -> Nullable<Integer>,
+        id -> Nullable<BigInt>,
         name -> Nullable<Text>,
     }
 }
 
 table! {
     languages (id) {
-        id -> Nullable<Integer>,
+        id -> Nullable<BigInt>,
         name -> Nullable<Text>,
     }
 }
 
 table! {
     skills (id) {
-        id -> Nullable<Integer>,
+        id -> Nullable<BigInt>,
         name -> Nullable<Text>,
     }
 }
 
 table! {
     topics (id) {
-        id -> Nullable<Integer>,
+        id -> Nullable<BigInt>,
         name -> Nullable<Text>,
     }
 }
 
 table! {
     user_contacts (id) {
-        id -> Nullable<Integer>,
-        user_id -> Integer,
-        contact_type_id -> Integer,
+        id -> Nullable<BigInt>,
+        user_id -> BigInt,
+        contact_type_id -> BigInt,
         content_ -> Nullable<Text>,
     }
 }
 
 table! {
     user_experiences (id) {
-        id -> Nullable<Integer>,
-        user_id -> Integer,
+        id -> Nullable<BigInt>,
+        user_id -> BigInt,
         description -> Nullable<Text>,
         start -> Nullable<Date>,
         end -> Nullable<Date>,
@@ -54,33 +54,33 @@ table! {
 
 table! {
     user_languages (id) {
-        id -> Nullable<Integer>,
-        user_id -> Integer,
-        language_id -> Integer,
+        id -> Nullable<BigInt>,
+        user_id -> BigInt,
+        language_id -> BigInt,
         level -> Nullable<Integer>,
     }
 }
 
 table! {
     user_search_topics (id) {
-        id -> Nullable<Integer>,
-        user_id -> Integer,
-        topic_id -> Integer,
+        id -> Nullable<BigInt>,
+        user_id -> BigInt,
+        topic_id -> BigInt,
     }
 }
 
 table! {
     user_skills (id) {
-        id -> Nullable<Integer>,
-        user_id -> Integer,
-        skill_id -> Nullable<Integer>,
+        id -> Nullable<BigInt>,
+        user_id -> BigInt,
+        skill_id -> Nullable<BigInt>,
         level -> Nullable<Integer>,
     }
 }
 
 table! {
     users (id) {
-        id -> Nullable<Integer>,
+        id -> Nullable<BigInt>,
         nickname -> Nullable<Text>,
         pronouns -> Nullable<Text>,
         address_1_name -> Nullable<Text>,

model/sqlite3/src/lib.rs

@@ -1,9 +1,16 @@
+extern crate chrono;
+#[macro_use]
 extern crate diesel;
+extern crate serde;
 
 pub mod db;
 
 #[cfg(test)]
 mod tests {
+    use crate::db::models::User;
+    use crate::db::schema::users::dsl::*;
+
+    use diesel::prelude::*;
     use diesel::Connection;
     use diesel::SqliteConnection;
 
@@ -13,17 +20,16 @@ mod tests {
             .unwrap_or_else(|_| panic!("Error connecting to {}", database_url))
     }
 
-    #[test]
-    fn it_works() {
-        assert_eq!(2 + 2, 4);
-    }
-
     #[test]
     fn list_users() {
-        use schema::dsl::*;
         let connection = establish_connection();
-        //	db::schema::
+        let all_users = users
+            .load::<User>(&connection)
+            .expect("Error loading users");
 
-        //   users.loa
+        println!("Displaying {} users", all_users.len());
+        for user in all_users {
+            println!("{:?}", user.nickname.unwrap());
+        }
     }
 }