[pdm-devel] [PATCH datacenter-manager 03/18] server: api: implement CRUD api for views

[Dominik Csapak <d.csapak@proxmox.com>]

namely list/read/update/delete api calls in `/config/views` api

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 server/src/api/config/mod.rs   |   2 +
 server/src/api/config/views.rs | 254 +++++++++++++++++++++++++++++++++
 2 files changed, 256 insertions(+)
 create mode 100644 server/src/api/config/views.rs

diff --git a/server/src/api/config/mod.rs b/server/src/api/config/mod.rs
index 7b58c756..8f646c15 100644
--- a/server/src/api/config/mod.rs
+++ b/server/src/api/config/mod.rs
@@ -6,6 +6,7 @@ pub mod access;
 pub mod acme;
 pub mod certificate;
 pub mod notes;
+pub mod views;
 
 #[sortable]
 const SUBDIRS: SubdirMap = &sorted!([
@@ -13,6 +14,7 @@ const SUBDIRS: SubdirMap = &sorted!([
     ("acme", &acme::ROUTER),
     ("certificate", &certificate::ROUTER),
     ("notes", &notes::ROUTER),
+    ("views", &views::ROUTER)
 ]);
 
 pub const ROUTER: Router = Router::new()
diff --git a/server/src/api/config/views.rs b/server/src/api/config/views.rs
new file mode 100644
index 00000000..8c5a1d29
--- /dev/null
+++ b/server/src/api/config/views.rs
@@ -0,0 +1,254 @@
+use anyhow::Error;
+
+use proxmox_access_control::CachedUserInfo;
+use proxmox_config_digest::ConfigDigest;
+use proxmox_router::{http_bail, http_err, Permission, Router, RpcEnvironment};
+use proxmox_schema::{api, param_bail};
+
+use pdm_api_types::{
+    views::{ViewConfig, ViewConfigEntry, ViewConfigUpdater},
+    PRIV_RESOURCE_AUDIT, PRIV_RESOURCE_MODIFY,
+};
+use serde::{Deserialize, Serialize};
+
+const VIEW_ROUTER: Router = Router::new()
+    .put(&API_METHOD_UPDATE_VIEW)
+    .delete(&API_METHOD_REMOVE_VIEW)
+    .get(&API_METHOD_READ_VIEW);
+
+pub const ROUTER: Router = Router::new()
+    .get(&API_METHOD_GET_VIEWS)
+    .post(&API_METHOD_ADD_VIEW)
+    .match_all("id", &VIEW_ROUTER);
+
+#[api(
+    protected: true,
+    access: {
+        permission: &Permission::Anybody,
+        description: "Returns the views the user has access to.",
+    },
+    returns: {
+        description: "List of views.",
+        type: Array,
+        items: {
+            type: String,
+            description: "The name of a view."
+        },
+    },
+)]
+/// List views.
+pub fn get_views(rpcenv: &mut dyn RpcEnvironment) -> Result<Vec<ViewConfig>, Error> {
+    let (config, _) = pdm_config::views::config()?;
+
+    let user_info = CachedUserInfo::new()?;
+    let auth_id = rpcenv.get_auth_id().unwrap().parse()?;
+    let top_level_allowed = 0 != user_info.lookup_privs(&auth_id, &["view"]);
+
+    let views: Vec<ViewConfig> = config
+        .into_iter()
+        .filter_map(|(view, value)| {
+            if !top_level_allowed
+                && user_info
+                    .check_privs(&auth_id, &["view", &view], PRIV_RESOURCE_AUDIT, false)
+                    .is_err()
+            {
+                return None;
+            };
+            match value {
+                ViewConfigEntry::View(conf) => Some(conf),
+            }
+        })
+        .collect();
+
+    Ok(views)
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            view: {
+                flatten: true,
+                type: ViewConfig,
+            },
+            digest: {
+                type: ConfigDigest,
+                optional: true,
+            },
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["view"], PRIV_RESOURCE_MODIFY, false),
+    },
+)]
+/// Add new view
+pub fn add_view(view: ViewConfig, digest: Option<ConfigDigest>) -> Result<(), Error> {
+    let _lock = pdm_config::views::lock_config()?;
+
+    let (mut config, config_digest) = pdm_config::views::config()?;
+
+    config_digest.detect_modification(digest.as_ref())?;
+
+    let id = view.id.clone();
+
+    if let Some(ViewConfigEntry::View(_)) = config.insert(id.clone(), ViewConfigEntry::View(view)) {
+        param_bail!("id", "view '{}' already exists.", id)
+    }
+
+    pdm_config::views::save_config(&config)?;
+
+    Ok(())
+}
+
+#[api()]
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+/// Deletable property name
+pub enum DeletableProperty {
+    /// Delete the include filters.
+    Include,
+    /// Delete the exclude filters.
+    Exclude,
+    /// Delete the layout.
+    Layout,
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            id: {
+                type: String,
+                description: "",
+            },
+            view: {
+                flatten: true,
+                type: ViewConfigUpdater,
+            },
+            delete: {
+                description: "List of properties to delete.",
+                type: Array,
+                optional: true,
+                items: {
+                    type: DeletableProperty,
+                }
+            },
+            digest: {
+                type: ConfigDigest,
+                optional: true,
+            },
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["view", "{id}"], PRIV_RESOURCE_MODIFY, false),
+    },
+)]
+/// Update View
+pub fn update_view(
+    id: String,
+    view: ViewConfigUpdater,
+    delete: Option<Vec<DeletableProperty>>,
+    digest: Option<ConfigDigest>,
+) -> Result<(), Error> {
+    let _lock = pdm_config::views::lock_config()?;
+
+    let (mut config, config_digest) = pdm_config::views::config()?;
+
+    config_digest.detect_modification(digest.as_ref())?;
+
+    let entry = config
+        .get_mut(&id)
+        .ok_or_else(|| http_err!(NOT_FOUND, "no such remote {id}"))?;
+
+    let ViewConfigEntry::View(conf) = entry;
+
+    if let Some(delete) = delete {
+        for delete_prop in delete {
+            match delete_prop {
+                DeletableProperty::Include => conf.include = Vec::new(),
+                DeletableProperty::Exclude => conf.exclude = Vec::new(),
+                DeletableProperty::Layout => conf.layout = String::new(),
+            }
+        }
+    }
+
+    if let Some(include) = view.include {
+        conf.include = include;
+    }
+
+    if let Some(exclude) = view.exclude {
+        conf.exclude = exclude;
+    }
+
+    if let Some(layout) = view.layout {
+        conf.layout = layout;
+    }
+
+    pdm_config::views::save_config(&config)?;
+
+    Ok(())
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            id: {
+                type: String,
+                description: "",
+            },
+            digest: {
+                type: ConfigDigest,
+                optional: true,
+            },
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["view"], PRIV_RESOURCE_MODIFY, false),
+    },
+)]
+/// Delete the view with the given id.
+pub fn remove_view(id: String, digest: Option<ConfigDigest>) -> Result<(), Error> {
+    let _lock = pdm_config::views::lock_config()?;
+
+    let (mut config, config_digest) = pdm_config::views::config()?;
+
+    config_digest.detect_modification(digest.as_ref())?;
+
+    match config.remove(&id) {
+        Some(ViewConfigEntry::View(_)) => {}
+        None => http_bail!(NOT_FOUND, "view '{id}' does not exist."),
+    }
+
+    pdm_config::views::save_config(&config)?;
+
+    Ok(())
+}
+
+#[api(
+    input: {
+        properties: {
+            id: {
+                type: String,
+                description: "",
+            },
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["view", "{id}"], PRIV_RESOURCE_AUDIT, false),
+    },
+)]
+/// Get the config of a single view.
+pub fn read_view(id: String) -> Result<ViewConfig, Error> {
+    let (config, _) = pdm_config::views::config()?;
+
+    let view = config
+        .get(&id)
+        .ok_or_else(|| http_err!(NOT_FOUND, "no such view '{id}'"))?;
+
+    let view = match view {
+        ViewConfigEntry::View(view) => view.clone(),
+    };
+
+    Ok(view)
+}
-- 
2.47.3



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