1feeccdebe
- add date field to MessageSummary struct - implement methods to set and retrieve the date - implement method to list the date and subject
58 lines
1.3 KiB
Rust
58 lines
1.3 KiB
Rust
#[derive(Debug, Clone)]
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pub struct MessageSummary {
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id: String,
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date: Option<String>,
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subject: Option<String>,
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}
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impl MessageSummary {
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pub(crate) fn new(id: &str) -> Self {
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MessageSummary {
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id: id.to_string(),
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date: None,
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subject: None,
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}
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}
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pub(crate) fn id(&self) -> &str {
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&self.id
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}
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pub(crate) fn set_subject(&mut self, subject: &str) {
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self.subject = Some(subject.to_string())
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}
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pub(crate) fn subject(&self) -> &str {
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if let Some(s) = &self.subject {
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s
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} else {
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"*** No Subject for Message ***"
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}
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}
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pub(crate) fn set_date(&mut self, date: &str) {
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self.date = Some(date.to_string())
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}
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pub(crate) fn date(&self) -> &str {
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if let Some(d) = &self.date {
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d
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} else {
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"*** No Date for Message ***"
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}
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}
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pub(crate) fn list_date_and_subject(&self) -> String {
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let Some(date) = self.date.as_ref() else {
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return "***invalid date or subject***".to_string();
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};
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let Some(subject) = self.subject.as_ref() else {
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return "***invalid date or subject***".to_string();
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};
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let s = date[5..16].to_string();
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let s = format!("{s}: {subject}");
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s
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}
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}
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