Files
komp_ac/web/src/pages/admin/table_definition/state.rs

497 lines
16 KiB
Rust

//! What the table-definition pages render, and the wire formats they post.
//!
//! One state type serves all table-definition pages, because each of them needs the same
//! context: which profile and table is being worked on, and what that table
//! currently is. What differs is which panel the page renders, and `active`
//! is what says so.
//!
//! Every panel carries the selection it acts on in hidden fields, because a
//! write answers with its page re-read from the backend rather than with
//! whatever the browser still had on screen.
use crate::schema::{ColumnCatalog, ColumnDraft};
/// The profile and table the workspace is pointed at. Arrives as a query
/// string on the selector and on the column-panel endpoints, and as hidden
/// fields on the panels that write.
#[derive(Clone, Debug, Default, serde::Deserialize)]
pub(crate) struct Selection {
#[serde(default)]
pub profile: String,
#[serde(default)]
pub table: String,
}
impl Selection {
pub(crate) fn has_profile(&self) -> bool {
!self.profile.is_empty()
}
pub(crate) fn has_table(&self) -> bool {
!self.table.is_empty()
}
/// Whether the selection is the shared profile, whose name the caller has
/// from the profile tree — the page does not spell it itself.
pub(crate) fn is_shared_profile(&self, shared_profile: &str) -> bool {
self.profile == shared_profile
}
/// The query string the column panel posts back to, so the panel's own
/// form does not have to carry the selection among its column fields.
pub(crate) fn query(&self) -> String {
format!("?profile={}&table={}", self.profile, self.table)
}
/// The same, for the profile-wide pages, which have no table to name.
pub(crate) fn profile_query(&self) -> String {
format!("?profile={}", self.profile)
}
/// What the heading calls the scope, so the shared profile is not shown by
/// its schema name.
pub(crate) fn scope_label(
&self,
locale: &crate::i18n::Locale,
shared_profile: &str,
) -> String {
if self.is_shared_profile(shared_profile) {
crate::tr!(*locale, "td-global-label")
} else {
self.profile.clone()
}
}
}
/// One table in the selected profile, from the profile tree.
#[derive(Clone, Debug)]
pub(crate) struct TableSummary {
pub name: String,
pub table_kind: String,
pub global: bool,
pub depends_on: Vec<String>,
}
impl TableSummary {
/// System tables are backend-managed: the server refuses every write below
/// on them, so the workspace does not offer the panels either.
pub(crate) fn is_system(&self) -> bool {
self.table_kind == "system"
}
}
/// The selected table as the backend describes it, from `GetProfileDetails`.
#[derive(Clone, Debug)]
pub(crate) struct TableDetailView {
pub id: i64,
pub row_version: i64,
pub row_display_columns: Vec<String>,
pub columns: Vec<DetailColumn>,
pub scripts: Vec<ScriptView>,
}
impl TableDetailView {
/// Columns a rename may target. Provenance and renameability are separate:
/// accounting companions remain renameable while protected generated
/// columns do not.
#[cfg(test)]
pub(crate) fn renameable_columns(&self) -> Vec<&DetailColumn> {
self.columns
.iter()
.filter(|column| column.renameable)
.collect()
}
}
#[derive(Clone, Debug)]
pub(crate) struct DetailColumn {
pub column_id: i64,
pub name: String,
pub field_type: String,
/// The PostgreSQL type the column is stored as, from the column-type
/// catalog. Empty for a type the catalog does not describe.
pub sql_type: String,
pub currency: String,
pub quantity_ledger: bool,
pub rounded: bool,
pub generated: bool,
pub read_only: bool,
pub generated_from: String,
pub renameable: bool,
}
impl DetailColumn {
/// The badge list rendered under each column name.
pub(crate) fn flags(&self, locale: &crate::i18n::Locale) -> Vec<String> {
let mut flags = Vec::new();
if !self.currency.is_empty() {
flags.push(self.currency.clone());
}
if self.rounded {
flags.push(crate::tr!(*locale, "column-flag-half-up"));
}
if self.quantity_ledger {
flags.push(crate::tr!(
*locale,
"column-flag-quantity-ledger"
));
}
if self.read_only {
flags.push(crate::tr!(*locale, "column-flag-read-only"));
}
if !self.generated_from.is_empty() {
flags.push(crate::tr!(
*locale,
"column-flag-generated-from",
"source" => self.generated_from.clone(),
));
} else if self.generated {
flags.push(crate::tr!(*locale, "column-flag-generated"));
}
flags
}
}
#[derive(Clone, Debug)]
pub(crate) struct ScriptView {
pub target_column: String,
pub target_column_type: String,
pub description: String,
pub script: String,
}
/// One row of the stored rename history.
#[derive(Clone, Debug)]
pub(crate) struct RenameEntry {
pub table_name: String,
pub old_column_name: String,
pub new_column_name: String,
pub created_at: String,
}
/// One physical table created from an invoice template.
#[derive(Clone, Debug)]
pub(crate) struct GeneratedTableView {
pub table_name: String,
pub collection_path: String,
pub parent_table_name: String,
}
/// Renaming one column.
///
/// `SetColumnPresentation` sets names and order in one call and insists on
/// being given every column, so a browser that posts the whole table posts a
/// list it read at some earlier moment. When the ids and the aliases came from
/// two different moments, they still zipped into a valid request -- one that
/// renamed `amount` to `note` and `note` to `amount`, and took every validation
/// and type along with the names. This form carries one alias and the id of the
/// column it was typed into, so there is no list to misalign; the handler fills
/// the rest of the table in from the backend.
#[derive(Clone, Debug, Default, serde::Deserialize)]
pub(crate) struct AliasForm {
#[serde(default)]
pub profile: String,
#[serde(default)]
pub table: String,
#[serde(default)]
pub expected_row_version: i64,
#[serde(default)]
pub column_id: i64,
#[serde(default)]
pub alias: String,
}
/// Moving one column past its neighbour.
///
/// It carries no alias at all -- not even the one it is moving -- so a reorder
/// cannot rename anything, whatever the browser still had on screen. See
/// [`AliasForm`] for why that separation is worth two forms.
#[derive(Clone, Debug, Default, serde::Deserialize)]
pub(crate) struct OrderForm {
#[serde(default)]
pub profile: String,
#[serde(default)]
pub table: String,
#[serde(default)]
pub expected_row_version: i64,
#[serde(default)]
pub column_id: i64,
/// `up` or `down`. Anything else moves nothing.
#[serde(default)]
pub direction: String,
}
/// The copy-profile panel. An empty `table_names` copies the whole profile,
/// which is what the backend takes an empty list to mean.
#[derive(Clone, Debug, Default, serde::Deserialize)]
pub(crate) struct CopyForm {
#[serde(default)]
pub profile: String,
#[serde(default)]
pub target_profile_name: String,
#[serde(default)]
pub table_names: Vec<String>,
}
/// The invoice-template panel. `row_display_columns` is typed as a
/// comma-separated list, because the columns do not exist yet — they are
/// whatever the template's contract turns out to declare.
#[derive(Clone, Debug, Default, serde::Deserialize)]
pub(crate) struct InvoiceTemplateForm {
#[serde(default)]
pub profile: String,
#[serde(default)]
pub table_name: String,
#[serde(default)]
pub typst_source: String,
#[serde(default)]
pub row_display_columns: String,
}
impl InvoiceTemplateForm {
pub(crate) fn display_columns(&self) -> Vec<String> {
self.row_display_columns
.split(',')
.map(str::trim)
.filter(|column| !column.is_empty())
.map(str::to_string)
.collect()
}
}
/// The delete panel. The table name has to be typed back: `DeleteTable` drops
/// the physical table with CASCADE and takes the profile with it when it was
/// the last one, so a mis-click must not be enough.
#[derive(Clone, Debug, Default, serde::Deserialize)]
pub(crate) struct DeleteForm {
#[serde(default)]
pub profile: String,
#[serde(default)]
pub table: String,
#[serde(default)]
pub confirm_table_name: String,
}
/// Everything the caller decides before the loader fills in the live data.
#[derive(Clone, Debug, Default)]
pub(crate) struct PageInputs {
pub selection: Selection,
/// The columns staged for `AddTableColumns`.
pub columns: ColumnDraft,
pub copy: CopyForm,
pub invoice: InvoiceTemplateForm,
pub status: Option<String>,
pub error: Option<String>,
/// The DDL a successful write reported.
pub sql: Option<String>,
/// The bundle a successful invoice-template creation reported.
pub generated: Vec<GeneratedTableView>,
}
impl PageInputs {
/// A page with an empty append panel. The panel's vocabulary is filled in
/// by the loader, which is the only thing that knows it.
pub(crate) fn for_selection(selection: Selection) -> Self {
Self {
selection,
columns: ColumnDraft::for_append(ColumnCatalog::default()),
..Self::default()
}
}
}
/// What the templates read.
pub(crate) struct TableDefinitionPageState {
pub nav: crate::ui::Nav,
pub selection: Selection,
/// The profile the shared tables are stored in, as the profile tree
/// reports it. Everything that has to recognise the shared scope reads it
/// from here rather than knowing the name.
pub shared_profile: String,
/// The tables of the selected scope — what the workspace browses and acts
/// on.
pub tables: Vec<TableSummary>,
/// What a new link may point at, which is not the same list: a profile's
/// table may link to a shared one, and a shared table is not one of the
/// profile's own. See `crate::pages::table_scope`.
pub link_targets: Vec<TableSummary>,
pub detail: Option<TableDetailView>,
pub history: Vec<RenameEntry>,
pub columns: ColumnDraft,
pub copy: CopyForm,
pub invoice: InvoiceTemplateForm,
pub status: Option<String>,
pub error: Option<String>,
pub sql: Option<String>,
pub generated: Vec<GeneratedTableView>,
/// Which of the pages this is, for the action switcher they share. Set by
/// the handler, because it is the one thing the loader cannot know.
pub active: &'static str,
}
impl TableDefinitionPageState {
/// Whether `name` is the page being rendered. Read by context.html.
pub(crate) fn is(&self, name: &str) -> bool {
self.active == name
}
/// Whether the workspace is pointed at the shared profile rather than a
/// profile of its own. Read by context.html.
pub(crate) fn is_global(&self) -> bool {
self.selection.is_shared_profile(&self.shared_profile)
}
/// The heading's name for the selected scope. Read by context.html.
pub(crate) fn scope_label(&self, locale: &crate::i18n::Locale) -> String {
self.selection.scope_label(locale, &self.shared_profile)
}
/// A table cannot link to itself, and the chart of accounts is reached
/// through an ACCOUNTING row rather than through a link of one's own.
fn eligible_link_target(&self, table: &TableSummary) -> bool {
table.name != self.selection.table && table.name != crate::schema::ACCOUNTS_TABLE
}
pub(crate) fn global_link_target_tables(&self) -> Vec<&str> {
self.link_targets
.iter()
.filter(|table| self.eligible_link_target(table) && table.global)
.map(|table| table.name.as_str())
.collect()
}
pub(crate) fn user_link_target_tables(&self) -> Vec<&str> {
self.link_targets
.iter()
.filter(|table| {
self.eligible_link_target(table) && !table.global && !table.is_system()
})
.map(|table| table.name.as_str())
.collect()
}
pub(crate) fn system_link_target_tables(&self) -> Vec<&str> {
self.link_targets
.iter()
.filter(|table| {
self.eligible_link_target(table) && !table.global && table.is_system()
})
.map(|table| table.name.as_str())
.collect()
}
/// The selected table's summary, which is where its kind and dependencies
/// come from.
pub(crate) fn selected_table(&self) -> Option<&TableSummary> {
self.tables
.iter()
.find(|table| table.name == self.selection.table)
}
/// Whether the write panels apply. They need a table, and that table has
/// to be one the server will let anyone but itself modify.
pub(crate) fn table_is_writable(&self) -> bool {
self.selected_table()
.is_some_and(|table| !table.is_system())
}
/// Tables offered as copy sources — all of them, since `CopyProfile`
/// copies structure and a system table is structure too.
pub(crate) fn copy_candidates(&self) -> &[TableSummary] {
&self.tables
}
pub(crate) fn copy_selected(&self, table_name: &str) -> bool {
self.copy
.table_names
.iter()
.any(|selected| selected == table_name)
}
}
#[derive(Debug)]
pub(crate) enum LoadError {
Unauthenticated,
Forbidden,
Backend(String),
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn display_columns_are_split_and_trimmed() {
let form = InvoiceTemplateForm {
row_display_columns: " number , , issued_on ".to_string(),
..Default::default()
};
assert_eq!(form.display_columns(), vec!["number", "issued_on"]);
}
#[test]
fn provenance_and_renameability_are_independent() {
let detail = TableDetailView {
id: 1,
row_version: 1,
row_display_columns: Vec::new(),
scripts: Vec::new(),
columns: vec![
DetailColumn {
column_id: 1,
name: "work_phone".to_string(),
field_type: "phone".to_string(),
sql_type: "TEXT".to_string(),
currency: String::new(),
quantity_ledger: false,
rounded: false,
generated: false,
read_only: false,
generated_from: String::new(),
renameable: true,
},
DetailColumn {
column_id: 2,
name: "work_phone_country".to_string(),
field_type: "phone_country".to_string(),
sql_type: "TEXT".to_string(),
currency: String::new(),
quantity_ledger: false,
rounded: false,
generated: true,
read_only: true,
generated_from: "work_phone".to_string(),
renameable: false,
},
DetailColumn {
column_id: 3,
name: "charge".to_string(),
field_type: "money".to_string(),
sql_type: "NUMERIC".to_string(),
currency: "EUR".to_string(),
quantity_ledger: false,
rounded: false,
generated: true,
read_only: false,
generated_from: "accounting".to_string(),
renameable: true,
},
],
};
let renameable = detail.renameable_columns();
assert_eq!(renameable.len(), 2);
assert_eq!(renameable[0].name, "work_phone");
assert_eq!(renameable[1].name, "charge");
assert_eq!(
detail.columns[1].flags(&crate::i18n::Locale::default()),
vec!["read only", "generated from work_phone"]
);
assert_eq!(
detail.columns[2].flags(&crate::i18n::Locale::default()),
vec!["EUR", "generated from accounting"]
);
}
}