feat: support uploading files to projects

include/Redmine/API.hpp

@@ -18,6 +18,8 @@
 
 #include "Redmine/IssueStatus.hpp"
 #include "nlohmann/json_fwd.hpp"
+#include <cstdint>
+#include <filesystem>
 #include <httplib.h>
 #include <string>
 #include <nlohmann/json.hpp>
@@ -53,6 +55,17 @@ namespace Redmine
 
             nlohmann::json get(const std::string  &path) const;
             void put(const std::string  &path, const nlohmann::json &data) const;
+            void post(const std::string  &path, const nlohmann::json &data) const;
+            void processGenericErrors_(httplib::Result &res) const;
+
+            /**
+             * @brief upload a file to the redmine server
+             * 
+             * @param file          -   the file to upload
+             * @param filename      -   the filename used inside redmine
+             * @return std::string  -   the redmine internal token (reference) for the uploaded file
+             */
+            std::string upload_(const std::filesystem::path &file, const std::string &filename) const;
 
         public:
             
@@ -116,6 +129,7 @@ namespace Redmine
              */
             std::vector<Redmine::Project> getProjects() const;
             
+            void uploadFileToProject(const std::uint64_t projectId, const std::string &filePath, const std::string &fileName, const std::string &description, const std::uint32_t version) const;
             /*@}*/
     };
 

src/Redmine-CLI/Command/Project.cpp

@@ -37,6 +37,23 @@ output_(TEXT)
     list_->add_option("-f,--fields", fields_, "The fields of the project object to print. Supported: name, id");
     list_->add_option("-o,--output", output_, "The Output Format to use. Supported: TEXT, YAML")->transform(CLI::CheckedTransformer(outputMap, CLI::ignore_case));    
 
+
+    upload_ = project->add_subcommand("upload", "Upload a File to the Project");
+    upload_->needs(redmine_->getTokenOption())->needs(redmine_->getUrlOption());
+    upload_->callback([&](){uploadFile_();});
+    upload_->add_option("-p,--project", projectId_, "The ID of the Project to upload the file to")->required()->check(CLI::NonNegativeNumber);
+    upload_->add_option("-f,--filename", fileName_, "The name of the file to upload")->required();
+    upload_->add_option("-d,--description", fileDescription_, "The Description of the file")->required();
+    upload_->add_option("-v,--version", fileVersion_,"The ID of the Version the file is related to. Use non existing version id for no version.")->required()->check(CLI::NonNegativeNumber);
+    upload_->add_option("file", filePath_, "The path to the file to upload")->required()->check(CLI::ExistingFile);
+
+}   
+
+void Command::Project::uploadFile_() const
+{
+    Redmine::API client{redmine_->getUrl(), redmine_->getToken()};
+    
+    client.uploadFileToProject(projectId_, filePath_, fileName_, fileDescription_,fileVersion_);
 }
 
 void Command::Project::getList_() const

src/Redmine-CLI/Command/Project.hpp

@@ -63,13 +63,34 @@ namespace Command
 
             /// vector to hold requested attribute fields
             std::vector<std::string> fields_;
-            
+
+            /// the project id to work on
+            std::uint64_t projectId_;
+
+            /// the file path for uploading files
+            std::string filePath_;
+
+            /// the filename for uploading files
+            std::string fileName_;
+
+            /// the description for uploading files
+            std::string fileDescription_;
+
+            /// the version of the uploading files
+            std::uint32_t fileVersion_;
+
             /// pointer to the list subcommand
             CLI::App* list_;
 
+            /// pointer to the upload subcommand
+            CLI::App* upload_;
+
+
+
             /// the actual implementation of the list command
             void getList_() const;
 
+            void uploadFile_() const;
         public:
             /**
             * @brief Construct a new CLIProcessor object

src/Redmine/API.cpp

@@ -20,6 +20,8 @@
 #include <Redmine/API.hpp>
 #include <Redmine/Exception/Api.hpp>
 #include <exception>
+#include <filesystem>
+#include <sstream>
 #include <stdexcept>
 #include <vector>
 #define LOGURU_WITH_STREAMS 1
@@ -56,6 +58,44 @@ Redmine::API::API(const std::string &serverURL, const std::string &authToken)
     authToken_=authToken;
 }
 
+void Redmine::API::processGenericErrors_(httplib::Result &res) const
+{
+    if (res == nullptr)
+    {
+        LOG_S(FATAL) << "failed to get data from API endpoint";
+        throw std::runtime_error("API request failed");
+    }
+
+    if (res->status == httplib::StatusCode::Unauthorized_401)
+    {
+        LOG_S(ERROR) << "authentication with API server failed (401)";
+        throw std::runtime_error("authentication failed");
+    }
+    else if (res->status == httplib::StatusCode::NotFound_404)
+    {
+        LOG_S(ERROR) << "unknown API endpoint (404)";
+        throw std::runtime_error("unknown API endpoint");
+    } 
+    else if (res->status == httplib::StatusCode::UnprocessableContent_422)
+    {
+        nlohmann::json error=nlohmann::json::parse(res->body);
+        std::vector<std::string> errors=error["errors"].get<std::vector<std::string>>();
+        std::stringstream strStream;
+        for (auto e : errors) 
+        {
+            strStream << e << ",";
+        }
+        LOG_S(ERROR) << "Redmine API error unprocessible Content: " << strStream.str();
+        throw Redmine::Exception::Api("Unprocessible Content");
+    }
+    else if (res->status != httplib::StatusCode::OK_200 && res->status != httplib::StatusCode::NoContent_204 && res->status != httplib::StatusCode::Created_201) 
+    {
+        LOG_S(ERROR) << "unsupported error " << httplib::status_message(res->status);
+        throw std::runtime_error("unsupported error");
+    } 
+
+}
+
  nlohmann::json Redmine::API::get(const std::string  &path) const
  {
     DLOG_S(INFO) << "getting API endpoint " << path+".json" << " from " <<redmineApiURL_;
@@ -69,32 +109,13 @@ Redmine::API::API(const std::string &serverURL, const std::string &authToken)
 
     auto res = client.Get(path + ".json" , headers);
 
-    if (res == nullptr)
-    {
-        DLOG_S(ERROR) << "failed to get data from API endpoint";
-        throw std::runtime_error("API request failed");
-    }
-
-    if (res->status == httplib::StatusCode::Unauthorized_401)
-    {
-        DLOG_S(ERROR) << "authentication with API server failed (401)";
-        throw std::runtime_error("authentication failed");
-    }
-    else if (res->status == httplib::StatusCode::NotFound_404)
-    {
-        DLOG_S(ERROR) << "unknown API endpoint (404)";
-        throw std::runtime_error("unknown API endpoint");
-    }
-    else if (res->status != httplib::StatusCode::OK_200)
-    {
-        LOG_S(ERROR) << "unsupported error " << httplib::status_message(res->status);
-        throw std::runtime_error("unsupported error");
-    }
+    processGenericErrors_(res);
 
     DLOG_S(INFO) << "get successful";
     return nlohmann::json::parse(res->body);
  }
 
+
 void Redmine::API::put(const std::string  &path, const nlohmann::json &data) const
  {
     DLOG_S(INFO) << "putting API endpoint " << path+".json" << " from " <<redmineApiURL_;
@@ -103,32 +124,52 @@ void Redmine::API::put(const std::string  &path, const nlohmann::json &data) con
 
     auto res = client.Put(path + ".json", data.dump(),"application/json");
 
-    if (res->status == httplib::StatusCode::Unauthorized_401)
-    {
-        DLOG_S(ERROR) << "authentication with API server failed (401)";
-        throw std::runtime_error("authentication failed");
-    }
-    else if (res->status == httplib::StatusCode::NotFound_404)
-    {
-        DLOG_S(ERROR) << "unknown API endpoint (404)";
-        throw std::runtime_error("unknown API endpoint");
-    }
-    else if (res->status == httplib::StatusCode::UnprocessableContent_422)
-    {
-        nlohmann::json error=nlohmann::json::parse(res->body);
-        std::vector<std::string> errors=error["errors"].get<std::vector<std::string>>();
-        throw Redmine::Exception::Api("Unprocessible Content",errors);
-    }
-    else if (res->status != httplib::StatusCode::OK_200 && res->status != httplib::StatusCode::NoContent_204)
-    {
-        LOG_S(ERROR) << "unsupported error " << httplib::status_message(res->status);
-        LOG_S(ERROR) << res->body;
-        throw std::runtime_error("unsupported error");
-    }
+    processGenericErrors_(res);
     
     DLOG_S(INFO) << "put successful";
  }
 
+ void Redmine::API::post(const std::string  &path, const nlohmann::json &data) const
+ {
+    DLOG_S(INFO) << "posting to API endpoint " << path+".json" << " at " <<redmineApiURL_;
+    httplib::Client client{redmineApiURL_};
+    client.set_basic_auth(authToken_, "");
+
+    auto res = client.Post(path + ".json", data.dump(),"application/json");
+
+    processGenericErrors_(res);
+    
+    DLOG_S(INFO) << "post successful";
+ }
+
+std::string Redmine::API::upload_(const std::filesystem::path &file, const std::string &filename) const
+{
+    httplib::Client client{redmineApiURL_};
+    client.set_basic_auth(authToken_, "");
+
+    if (!std::filesystem::exists(file))
+    {
+         LOG_S(ERROR) << "file " << file << " does not exist";
+         throw std::runtime_error("file does not exist");
+    }
+
+    std::ifstream fileStream{file};
+    std::stringstream fileBuffer;
+    fileBuffer << fileStream.rdbuf();
+
+    std::string path = "/uploads.json?filename=" + filename;
+    DLOG_S(INFO) << "uploading file " << file.filename() << " to API endpoint " << path << " at " <<redmineApiURL_;
+
+    auto res = client.Post(path, fileBuffer.str(),"application/octet-stream");
+
+    processGenericErrors_(res);
+
+    nlohmann::json response=nlohmann::json::parse(res->body);
+    
+    DLOG_S(INFO) << "upload successful";
+    return response["upload"]["token"];
+}
+
 
 Redmine::User Redmine::API::getMyAccount() const 
 {
@@ -185,4 +226,20 @@ bool Redmine::API::ready() const
         return false;
     }
     return true;
+}
+
+void Redmine::API::uploadFileToProject(const std::uint64_t projectId, const std::string &filePath, const std::string &fileName, const std::string &description, const std::uint32_t version) const
+{
+
+    std::string token = upload_(filePath, fileName);
+
+    nlohmann::json file;
+    file["token"] = token;
+    file["filename"] = fileName;
+    file["description"] = description;
+    file["version_id"]= version;
+    nlohmann::json upload;
+    upload["file"] = file;
+
+    post("/projects/"+std::to_string(projectId)+"/files", upload);
 }