From 47cfba4c222a1c6d8afa322f56fc1a8135e0ad1a Mon Sep 17 00:00:00 2001
From: Michal Pokrywka <wolfmoon@o2.pl>
Date: Sat, 9 May 2026 10:19:03 +0200
Subject: [PATCH] Added `ImageUpload` helper struct to `DropImageFile`

---
 CHANGES.md           |  3 ++-
 src/form/data/mod.rs |  2 +-
 src/image_upload.rs  | 33 +++++++++++++++++++++++++++++++++
 src/lib.rs           |  2 ++
 4 files changed, 38 insertions(+), 2 deletions(-)
 create mode 100644 src/image_upload.rs

diff --git a/CHANGES.md b/CHANGES.md
index 6c2da3d..2141bf6 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,7 +6,8 @@
 ### Added
 
 * `ResourceTable`
-* "Select file" button to `DropImageFile` component
+* `ImageUpload` helper struct to `DropImageFile`
+* "Select file" button to `DropImageFile`
 
 ### Fixed
 
diff --git a/src/form/data/mod.rs b/src/form/data/mod.rs
index b6eea43..454e19c 100644
--- a/src/form/data/mod.rs
+++ b/src/form/data/mod.rs
@@ -4,7 +4,7 @@ use vertigo::Value;
 use crate::ValidationErrors;
 
 mod data_field;
-pub use data_field::{DataFieldValue, ImageValue, TextAreaValue};
+pub use data_field::{CustomValue, DataFieldValue, ImageValue, TextAreaValue};
 
 mod form_export;
 pub use form_export::{FieldExport, FormExport};
diff --git a/src/image_upload.rs b/src/image_upload.rs
new file mode 100644
index 0000000..0c40eee
--- /dev/null
+++ b/src/image_upload.rs
@@ -0,0 +1,33 @@
+use base64::{Engine as _, engine::general_purpose::STANDARD_NO_PAD as BASE_64};
+use vertigo::DropFileItem;
+
+use crate::name_to_mime;
+
+#[derive(Clone, Debug, PartialEq, vertigo::AutoJsJson)]
+pub struct ImageUpload {
+    pub name: String,
+    pub mime: Option<String>,
+    pub data: String, // base64
+}
+
+impl ImageUpload {
+    pub fn to_vec(&self) -> Result<Vec<u8>, base64::DecodeError> {
+        BASE_64.decode(&self.data)
+    }
+}
+
+impl From<DropFileItem> for ImageUpload {
+    fn from(item: DropFileItem) -> Self {
+        let mime_str = name_to_mime(&item.name);
+        let mime = if mime_str == "application/octet-stream" {
+            None
+        } else {
+            Some(mime_str.to_string())
+        };
+        Self {
+            name: item.name.clone(),
+            mime,
+            data: BASE_64.encode(&*item.data),
+        }
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index e192524..62dcfa8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,6 +3,7 @@ use std::{collections::HashMap, fmt::Display, str::FromStr};
 pub mod button;
 mod drop_image_file;
 pub mod form;
+mod image_upload;
 mod input;
 pub mod login;
 mod popup;
@@ -18,6 +19,7 @@ mod with_loader;
 pub use {
     button::{Button, ButtonColor, ButtonVariant, TableButton},
     drop_image_file::{DropImageFile, DropImageFileParams, image_as_uri, name_to_mime},
+    image_upload::ImageUpload,
     input::{Input, InputWithButton, InputWithButtonParams, ListInput},
     popup::{Popup, PopupOnHover, PopupParams},
     search_panel::{SearchPanel, SearchPanelParams, SearchResult},