paginating multi-level data in pptx helper

lukuser

Hello, I'm trying to paginate an inner data object represented by the suites table on the playground example. The max lines on that table can be max of 3. Is there a way to repeat a building record with remaining suites if there are more than 3 suites associated to a give building (as in building 432)? The overall max number of suites in a building can be upwards of 20 in production.

https://playground.jsreport.net/w/lukuser/mvDlWC1t.

I have seen a previous post discussing pagination here: https://forum.jsreport.net/post/12353, but I can't seem to be able to port this into a multilevel object structure like in the example.

bjrmatos

hi @lukuser

i believe this should work, take a look

https://playground.jsreport.net/w/bjrmatos/DxCB_tRG

i have modified the pptx to have this call at the top {{pptxSlides (chunksBySuites buildings)}} and then just added the chunksBySuites helper

function* _chunk(buildings, maxSuites) {
  for (let i = 0; i < buildings.length; i ++) {
    const { suites, ...rest } = buildings[i]

    for (let j = 0; j < suites.length; j += maxSuites) {
        const newBuilding = { ...rest }
        newBuilding.suites = suites.slice(j, j + maxSuites)
        yield newBuilding;
    }
  }
}

function chunksBySuites(buildings) {
    const maxSuites = 3
    return [..._chunk(buildings, maxSuites)]
}