Update app.R

app.R

@@ -1,141 +1,43 @@
 library(shiny)
-library(shinyalert)
 library(shinythemes)
-library(shinycssloaders)
-library(shinyjs)
-library(httr)
-library(bslib)
-library(thematic)
-library(gtrendsR)
-library(plotly)
-library(dplyr)
-library(ggplot2)
+library(GWalkR)
 
-options(spinner.color = "lightblue",
-        spinner.color.background = "#ffffff",
-        spinner.size = 2)
 
-my_theme <- bs_theme(
-    bg = "#fdfefe",
-    fg = "blue",
-    primary = "red",
-    base_font = font_google("PT Sans Caption"),
-    "font-size-base" = "0.9rem",
-    version = 5,
-    "navbar-bg" = "blue"
+ui <- fluidPage(
+  title = "Data Explorer",
+  theme = shinytheme("cyborg"),
+  
+  tags$h3(id = "title", tags$strong("Graphic-Walker Data Explorer"),style = "text-align:center;color:lightblue;"),
+  sidebarLayout(
+    sidebarPanel(width = 3, fileInput("target_upload",h5(strong("Click to Upload CSV File"),style = "color:lightblue;"),
+                                      accept = c("text/csv"),
+                                      placeholder = "No file selected"),
+                 br(),br(),a(href = "https://github.com/Kanaries/GWalkR",h6("Learn More",style = "color:lightblue;"),target = "_blank",style = "text-decoration: none;")),
+    mainPanel(gwalkrOutput(outputId = "explorer",width = "114%")
+)
+  )
+      
 )
 
-thematic_shiny()
-
-ui <- list(useShinyjs(),navbarPage(windowTitle = "TrendChecker",
-                                   title = strong("TrendChecker"),theme = my_theme,
-                                   tabPanel(title = strong("Trend Over Time"),icon = icon("chart-line"),#firebaseUIContainer(),
-                                            sidebarLayout(
-                                                sidebarPanel(width = 3,actionButton("info",strong("About TrendChecker",icon("info"))),hr(),
-                                                             hidden(tags$div(id = "about",h5("TrendChecker is a web application that enables users to monitor the search popularity of any subject of interest over time,
-                                                                                          and across different countries by calling the Google trend api. Search hit of 100 is the indicator of optimum popularity, while other hits are measured relative to the optimum."))),h4(strong("Controls")),hr(),
-                                                             textInput("text",strong("Enter Search Term")),
-                                                             checkboxGroupInput("check",strong("Select Country(ies)"),choices = c("USA" = "US","UK" = "GB","Germany" = "DE","Netherlands" = "NL","Nigeria" = "NG","Japan" = "JP")),
-                                                             radioButtons("radio",strong("Choose Trend Source"),choices = c("Web","News","YouTube","Images")),
-                                                             radioButtons("time",strong("Select Time Frame"),choices = c("Last Hour","Last Four Hours","Last Day","Last Seven Days","Past 30 Days","Past 90 Days","Past 12 Months","Last Five Years")),
-                                                             actionButton("run",strong("Run Search"),icon("caret-right"))
-                                                             ),
-                                                mainPanel(
-                                                          withSpinner(plotOutput("plot", width = "113%", height = "450px"),type = 8),
-                                                downloadButton("plot_download","Download",icon = icon("download"))),
-                                              
-                                                          
-                                            ))
-)) 
-
-# Define server logic required to run query
-
-server <- function(input, output,session) {
+server <- function(input,output,session){
+  file_upload <- reactive({
+    inFile <- input$target_upload
+    if(is.null(inFile)){return(NULL)}
+    data <- read.csv(inFile$datapath,header = TRUE,sep = ",")
+    return(data)
+  })
   
-## APP info button toggle activation
-    
-observeEvent(input$info,{
-    toggle("about")
-})    
-
-
-## Create reactive input switch functionality
-    
-check_input <- reactive(input$check)
-    
-
-radio_input <- reactive(switch(input$radio,
-                      "Web" = "web",
-                      "News" = "news",
-                      "YouTube" = "youtube",
-                      "Images" = "images"))
-
-radio_time <- reactive(switch(input$time,
-                     "Last Hour" = "now 1-H",
-                     "Last Four Hours" = "now 4-H",
-                     "Last Day" = "now 1-d",
-                     "Last Seven Days" = "now 7-d",
-                     "Past 30 Days" = "today 1-m",
-                     "Past 90 Days" = "today 3-m",
-                     "Past 12 Months" = "today 12-m",
-                     "Last Five Years" = "today+5-y"))
-
-
-    
-text_input <- reactive(input$text)
-
-
-
-
-## Write the function
-
-trend <- function(){
-    
-    gt <- gtrends(keyword = text_input(),geo = check_input(),gprop = radio_input(),
-            time = radio_time())
-    
-    p <- plot(gt)
-        
-    return(p)
+  output$explorer <- renderGwalkr({
+    tryCatch(
+      {
+        gwalkr(file_upload())
+      },
+      error = function(e){
+        message("Could not display interface")
+      }
+    )
+  })
 }
-    
-## Convert to reactive function
-
-trend2 <- eventReactive(input$run,{
-  trend()
-})
-
-## Create interactive plot
 
-output$plot <- renderPlot({
-    
-    withProgress(message = "Fetching data",
-                 detail = "This may take a while...",value = 0,{
-                     
-                     for (i in 1:40){
-                         
-                         incProgress(1/40)
-                         Sys.sleep(0.4)
-                     }
-                 })    
-
-    req(input$run)
-    trend2()
-
-})
-
-output$plot_download <- downloadHandler(
-  filename = function(){
-    paste("graph",".jpg",sep = "")
-  },
-  content = function(file){
-    jpeg(file)
-    trend()
-    dev.off()
-  }
-)
-       
-}
+shinyApp(ui,server)
 
-# Run the application 
-shinyApp(ui = ui, server = server)