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use crate::errors::*; use diesel; use diesel::prelude::*; use crate::models::*; use chrono::NaiveDateTime; #[derive(Identifiable, Queryable, Associations, Serialize, Deserialize)] #[belongs_to(Network)] #[belongs_to(Device)] #[table_name="network_devices"] pub struct NetworkDevice { pub id: i32, pub network_id: i32, pub device_id: i32, pub ipaddr: Option<String>, pub last_seen: Option<NaiveDateTime>, } impl Model for NetworkDevice { type ID = (i32, i32); fn to_string(&self) -> String { unimplemented!("NetworkDevice can not be printed") } fn list(db: &Database) -> Result<Vec<Self>> { use crate::schema::network_devices::dsl::*; let results = network_devices.load::<Self>(db.db())?; Ok(results) } fn filter(db: &Database, filter: &Filter) -> Result<Vec<Self>> { use crate::schema::network_devices::dsl::*; let query = network_devices.filter(filter.sql()); let results = query.load::<Self>(db.db())?; Ok(results) } fn delete(db: &Database, filter: &Filter) -> Result<usize> { use crate::schema::network_devices::dsl::*; diesel::delete(network_devices.filter(filter.sql())) .execute(db.db()) .map_err(Error::from) } fn delete_id(db: &Database, my_id: i32) -> Result<usize> { use crate::schema::network_devices::dsl::*; diesel::delete(network_devices.filter(id.eq(my_id))) .execute(db.db()) .map_err(Error::from) } fn id(&self) -> i32 { self.id } fn by_id(db: &Database, my_id: i32) -> Result<Self> { use crate::schema::network_devices::dsl::*; let network_device = network_devices.filter(id.eq(my_id)) .first::<Self>(db.db())?; Ok(network_device) } fn get(db: &Database, query: &Self::ID) -> Result<Self> { use crate::schema::network_devices::dsl::*; let (my_network_id, my_device_id) = query; let network_device = network_devices.filter(network_id.eq(my_network_id)) .filter(device_id.eq(my_device_id)) .first::<Self>(db.db())?; Ok(network_device) } fn get_opt(db: &Database, query: &Self::ID) -> Result<Option<Self>> { use crate::schema::network_devices::dsl::*; let (my_network_id, my_device_id) = query; let network_device = network_devices.filter(network_id.eq(my_network_id)) .filter(device_id.eq(my_device_id)) .first::<Self>(db.db()) .optional()?; Ok(network_device) } } impl NetworkDevice { pub fn network(&self, db: &Database) -> Result<Network> { Network::by_id(db, self.network_id) } } pub struct PrintableNetworkDevice { network: String, device: String, } impl fmt::Display for PrintableNetworkDevice { fn fmt(&self, w: &mut fmt::Formatter) -> fmt::Result { write!(w, "{:?} -> {:?}", self.network, self.device) } } impl Printable<PrintableNetworkDevice> for NetworkDevice { fn printable(&self, db: &Database) -> Result<PrintableNetworkDevice> { let network = Network::by_id(db, self.network_id)?; let device = Device::by_id(db, self.device_id)?; Ok(PrintableNetworkDevice { network: network.value.to_string(), device: device.value.to_string(), }) } } #[derive(Debug, Clone, Insertable, Serialize, Deserialize)] #[table_name="network_devices"] pub struct NewNetworkDevice { pub network_id: i32, pub device_id: i32, pub ipaddr: Option<String>, pub last_seen: Option<NaiveDateTime>, } impl Upsertable<NetworkDevice> for NewNetworkDevice { type Update = NetworkDeviceUpdate; fn upsert(self, existing: &NetworkDevice) -> Self::Update { Self::Update { id: existing.id, ipaddr: Self::upsert_opt(self.ipaddr, &existing.ipaddr), last_seen: Self::upsert_opt(self.last_seen, &existing.last_seen), } } } impl Printable<PrintableNetworkDevice> for NewNetworkDevice { fn printable(&self, db: &Database) -> Result<PrintableNetworkDevice> { let network = Network::by_id(db, self.network_id)?; let device = Device::by_id(db, self.device_id)?; Ok(PrintableNetworkDevice { network: network.value.to_string(), device: device.value.to_string(), }) } } pub type InsertNetworkDevice = NewNetworkDevice; impl InsertToNew for InsertNetworkDevice { type Target = NewNetworkDevice; #[inline] fn try_into_new(self) -> Result<NewNetworkDevice> { Ok(self) } } #[derive(Identifiable, AsChangeset, Serialize, Deserialize, Debug)] #[table_name="network_devices"] pub struct NetworkDeviceUpdate { pub id: i32, pub ipaddr: Option<String>, pub last_seen: Option<NaiveDateTime>, } impl Upsert for NetworkDeviceUpdate { fn is_dirty(&self) -> bool { self.ipaddr.is_some() || self.last_seen.is_some() } fn generic(self) -> Update { Update::NetworkDevice(self) } fn apply(&self, db: &Database) -> Result<i32> { db.update_network_device(self) } } impl Updateable<NetworkDevice> for NetworkDeviceUpdate { fn changeset(&mut self, existing: &NetworkDevice) { Self::clear_if_equal(&mut self.ipaddr, &existing.ipaddr); Self::clear_if_equal(&mut self.last_seen, &existing.last_seen); } fn fmt(&self, updates: &mut Vec<String>) { Self::push_value(updates, "ipaddr", &self.ipaddr); Self::push_value(updates, "last_seen", &self.last_seen); } }