Struct Transaction 

pub struct Transaction {
    pub id: String,
    pub timestamp: DateTime<Utc>,
    pub items: Vec<String>,
    pub user_id: Option<String>,
    pub metadata: HashMap<String, Value>,
}

A transaction (shopping cart, event sequence, etc.)

Fields

id: String

timestamp: DateTime<Utc>

items: Vec<String>

user_id: Option<String>

metadata: HashMap<String, Value>

Implementations

impl Transaction

pub fn new<S: Into<String>>( id: S, items: Vec<String>, timestamp: DateTime<Utc>, ) -> Self

Create a new transaction

pub fn with_user<S: Into<String>>( id: S, items: Vec<String>, timestamp: DateTime<Utc>, user_id: S, ) -> Self

Create transaction with user ID

pub fn with_metadata(self, metadata: HashMap<String, Value>) -> Self

Add metadata to transaction

pub fn contains(&self, item: &str) -> bool

Check if transaction contains an item

pub fn contains_all(&self, items: &[String]) -> bool

Check if transaction contains all items

Trait Implementations

impl Clone for Transaction

fn clone(&self) -> Transaction

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Transaction

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Transaction

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Transaction

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.